Browse Measures of Central Tendency problems Studdy Solved!

Problem 101

$\text{Given the table of values for } g(x):$
$\begin{array}{|c|c|} \hline x & g(x) \\ \hline -5 & -13 \\ \hline -4 & -4 \\ \hline -3 & -1 \\ \hline -2 & -4 \\ \hline -1 & -13 \\ \hline 0 & -28 \\ \hline \end{array}$
$\text{The maximum } \vee \text{ value of } f(x) \text{ is 0 and there is no minimum } \vee \text{ value. The maximum } \vee \text{ value of } g(x) \text{ is } \square \text{ and there is no minimum } \vee \text{ value. Therefore } f(x) \text{ has a } \square \text{ value than } g(x).$
$\text{Use the table and give the maximum value of } g(x).$

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Problem 102

(a) The following number of people attended the last 9 screenings of a movie: $197,198,199,202,203,204,206,208,209$
Which measure should be used to summarize the data? Mean Median Mode (b) Karen wants to determine which letter appears the most often in her favorite poem. Which measure should she use? Mean Median Mode (c) The 9 members of the dance team each bought new shoes. Here are the prices they paid: $\$ 52, \$ 53, \$ 54, \$ 55, \$ 56, \$ 57, \$ 62, \$ 65, \$ 96 .$
Which measure should be used to summarize the data? Mean Median Mode

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Problem 103

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17. Submit answer
Practice similar
Find the 3 unit moving average of the function $f(x)=x^{4}+8$ . $\square$ Video Example: Solving A Similar Problem

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Problem 104

6. Select the measures that best represent the data provided in the stem-and-leaf plot. $\square$ mean median 97.5 $\square$ 100 $\square$ range IQR 101 14

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Problem 105

Use the frequency distribution to complete parts (a) through (e). a) Determine the total number of observations. b) Determine the width of each class. c) Determine the midpoint of the second class. d) Determine the modal class (or classes). e) Determine the class limits of the next class if an additional class were to be added. \begin{tabular}{cc} Class & Frequency \\ $6-10$ & 7 \\ $11-15$ & 3 \\ $16-20$ & 0 \\ $21-25$ & 9 \\ $26-30$ & 4 \\ $31-35$ & 3 \end{tabular} a) The total number of observations is $\square$ b) The width of each class is $\square$ $\square$ . c) The midpoint of the second class is $\square$ . (Type an integer or a decimal.) d) The modal class(es) is/are $\square$ . (Use a hyphen to separate the limits of a class. Use a comma to separate answers. Type the classes in order from smallest to largest.) e) The class limits of the next class if an additional class were to be added are $\square$ (Use a hyphen to separate the limits of a class.)

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Problem 106

4. I fost food chain surveyed a random sampie of students to delermine what pizzo they prefer zased on the results, how many of the 340 siudents cari be expected to prefer cheese pizzc? \begin{tabular}{|c|c|} \hline ACTIVITY & \begin{tabular}{c} \#OF \\ STUDENTS \end{tabular} \\ \hline Cheese & 40 \\ \hline Pepperoni & 28 \\ \hline \end{tabular}

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Problem 107

The following problem refers to the stock table for KIRED, Inc. (a computer company) given below. Use the stock table to answer the following questions. Where necessary, round the dollar amounts to the nearest cent. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|} \hline 52-Week & & & SYM & Div & YId & PE & $\begin{array}{c} \mathrm{Vol} \\ 100 \mathrm{~s} \end{array}$ & Hi & Lo & Close & \begin{tabular}{l} Net \\ Chg \end{tabular} \\ \hline High & L & & & 222 & 50 & 22 & 7473 & 56.90 & 54.52 & 55.12 & -1.32 \\ \hline 72.31 & 44.15 & KIRED, Inc. & KIR & 2.22 & 5.0 & 22 & 7473 & 56.30 & & & \\ \hline \end{tabular} a. What were the high and low prices for a share for the past 52 weeks?
High price: $\$$ $\square$ Low price: $\$$ $\square$ b. If you owned 700 shares of this stock last year, what dividend did you receive? $\$$ $\square$ c. What is the annual return for the dividends alone? How does this compare to a bank offering a $3 \%$ interest rate? \% A. The \%yield is lower, than the bank rate. B. The bank rate is lower than the \%yield. Next

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Problem 108

The credit card with the transactions described on the right uses the average daily balance method to calculate interest. The monthly interest rate is $1.5 \%$ of the average daily balance. Calculate parts a-d using the statement on the right. \begin{tabular}{|l|l|} \hline Transaction Description & \begin{tabular}{l} Transaction \\ Amount \end{tabular} \\ \hline Previous balance, $\$ 6330.00$ & \\ \hline March 1 Billing date & \\ \hline March 5 Payment & $\$ 350.00$ credit \\ \hline March 7 Charge: Restaurant & $\$ 60.00$ \\ \hline March 12 Charge: Groceries & $\$ 90.00$ \\ \hline March 21 Charge: Car Repairs & $\$ 230.00$ \\ \hline March 31 End of billing period & \\ \hline Payment Due Date: April 9 & \\ \hline \end{tabular} a. Find the average daily balance for the billing period. Round to the nearest cent.
The average daily balance for the billing period is $\$$ (Round to the nearest cent as needed.) b. Find the interest to be paid on April 1, the next billing date. Round to the nearest cent.
The interest to be paid on April 1 is $\$$ (Use the answer from part a to find this answer. Round to the nearest cent as needed.) c. Find the balance due on April 1.
The balance due on April 1 is $\$ \square$

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Problem 109

$\text{Two years ago Ernest Dorsey purchased a used sports coupe for } \$8,000.00 \text{ that is now worth } \$6,000.00. \text{ Last year he drove it 13,569 miles and kept a record of all expenses. His variable costs were gasoline, } \$1,589.56; \text{ oil changes, } \$245.98; \text{ and repairs, } \$548.11. \text{ His fixed costs were insurance, } \$1,105.32, \text{ and license, } \$85.00.$ $\text{Find the cost per mile.}$

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Problem 110

Listed below are the annual tuition amounts of the 10 most expensive colleges in a country for a recent year. What does this "Top 10" list tell us about the population of all of that country's college tuitions? \begin{tabular}{lllll} $\$ 53,629$ & $\$ 52,706$ & $\$ 53,184$ & $\$ 54,114$ & $\$ 51,064$ \\ $\$ 50,558$ & $\$ 53,629$ & $\$ 52,958$ & $\$ 51,270$ & $\$ 53,455$ \end{tabular}
Find the mean, midrange, median, and mode of the data set. The mean of the data set is $\$$ $\square$ (Round to two decimal places as needed.) The midrange of the data set is $\$$ $\square$ (Round to two decimal places as needed.) The median of the data set is $\$$ $\square$ . (Round to two decimal places as needed.) What is (are) the mode(s) of the data set? Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode(s) of the data set is (are) $\$$ $\square$ . (Use a comma to separate answers as needed. Round to two decimal places as needed.) B. There is no mode.
What does this "Top 10" list tell us about the population of all the country's college tuitions? A. All colleges have tuitions around the median. B. All colleges have tuitions around the mode. C. All colleges have tuitions around the midrange. D. All colleges have tuitions around the mean. E. Nothing meaningful can be concluded from this information except that these are the largest tuitions of colleges in the country for a recent year.

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Problem 111

Determine the mean, median, mode and midrange of the set of data. $7,9,22,9,20,9,21,19 \square$
What is the mean? $\square$ (Round to the nearest tenth as needed.)

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Problem 112

The salaries of 10 employees of a small company are listed. Complete parts (a) through (f) below. \begin{tabular}{cc} $\$ 32000$ & $\$ 74000$ \\ 25000 & 31000 \\ 26000 & 30000 \\ 29000 & 62000 \\ 29000 & 27000 \end{tabular} a) Determine the mean.
The mean salary is $\$$ $\square$ (Simplify your answer.)

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Problem 113

The salaries of 10 employees of a small company are listed. Complete parts (a) through (f) below. \begin{tabular}{cc} $\$ 28000$ & $\$ 64000$ \\ 26000 & 31000 \\ 30000 & 29000 \\ 25000 & 79000 \\ 25000 & 27000 \end{tabular} b) Determine the median.
The median salary is $\$ 28500$ (Simplify your answer.) c) Determine the mode(s). Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode salary/salaries is/are $\$ 25000$ . (Use a comma to separate answers, but do not use commas in any individual numbers.) B. There is no mode. d) Determine the midrange.
The midrange of the data set is $\$$ $\square$ (Simplify your answer.)

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Problem 114

The mean score on a set of 19 tests is 77. What is the sum of all the test scores? The sum of all the test scores is $\square$

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Problem 115

The prices of the 19 top-rated all-season tires for a specific tire size, are as follows. Answer parts (a) - (c). \begin{tabular}{llllllllll} $\$ 87$ & $\$ 114$ & $\$ 97$ & $\$ 79$ & $\$ 81$ & $\$ 92$ & $\$ 94$ & $\$ 89$ & $\$ 94$ & $\$ 80$ \\ $\$ 107$ & $\$ 112$ & $\$ 102$ & $\$ 95$ & $\$ 86$ & $\$ 92$ & $\$ 76$ & $\$ 99$ & $\$ 90$ & \end{tabular} a) Determine $Q_{2}$ . $\mathrm{Q}_{2}=$

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Problem 116

The table on the right gives the popular and electoral votes for the two major candidates for a presidential election. The total popular vote count including votes that went to other candidates is also given. All electoral votes are shown. Complete parts (a) and (b) below. \begin{tabular}{|lcc|} \hline Candidate & \begin{tabular}{c} Electoral \\ Votes \end{tabular} & \begin{tabular}{c} Popular \\ Votes \end{tabular} \\ \hline A & 183 & $4,273,071$ \\ B & 184 & $4,028,816$ \\ \hline Total popular vote & & $8,398,044$ \\ \hline \end{tabular} a. Compute each candidate's percentage of the total popular vote. Did either candidate receive a popular majority?
Candidate A received $5088 \%$ of the total popular vote. (Round to two decimal places as needed.) Candidate B received $47.97 \%$ of the total popular vote (Round to two decimal places as needed.) Which candidate, if either, received a popular majority? A. Candidate B received a popular majority. B. Neither candidate received a popular majority C. Candidate A received a popular majority. b Compute each candidate's percentage of the electoral vote. Was the electoral winner also the winner of the popular vote? Candidate A received $\square$ $\%$ of the electoral vote (Round to two decimal places as needed.)

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Problem 117

Use Figure 7D. 2 and these facts to answer the following question. The death rate in 1917 (the year before the influenza pandemic) was 2300 deaths per 100,000 . The death rate in 1918 (the year of the influenza pandemic) was 2550 deaths per 100,000 . The U.S. population in 1917-1918 was approximately 105 million.
What was the percentage increase in the death rate over the previous year in 1918 and in 2020 ? By this measure, which pandemic was worse? Click on the icon to view figure 7D. 2.
The percentage increase in the death rate over the previous year in 1918 was $\square$ \%. (Round to the nearest whole number as needed.)

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Problem 118

In a simple random sample of size 65 , there were 37 individuals in the category of interest.
Part: $0 / 4$ $\square$
Part 1 of 4 (a) Compute the sample proportion $\widehat{p}$ . Round the answer to at least three decimal places.
The sample proportion is $\square$

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Problem 119

9. Students in a school were asked their favorite color. 58 students chose blue 49 chose yellow, 43 chose green, and 50 chose red. a. What fraction of students chose blue? b. What percent of students chose green? c. What percent of students chose red? d. What fraction of students chose yellow?

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Problem 120

In a multiple linear regression of $E\left(Y \mid X_{1}=x_{1}, X_{2}=x_{2}\right)=a+b_{1} x_{1}+b_{2} x_{2}$ , we get a table of coefficients like this:
Coefficient Value a $2.0$ $b_{1}$ -1 $b_{2}$ 0.5
Consider two groups that have the following characteristics: - The same values of $X_{2}$ - Group A has $X_{1}=2$ - Group B has $X_{1}=1$
Let $E(Y \mid A)$ be the average of $Y$ within group A, and $E(Y \mid B)$ be the average of $Y$ within group B.
According to this model, which group has the larger conditional mean of $Y$ ? Group A Group B They are the same. We cannot answer without knowing the value of $X_{2}$ .

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Problem 121

For the proprablility distribution table below: \begin{tabular}{|c|c|c|c|c|} \hline $x$ & $P(x)$ & $x^{2}$ & $x P(x)$ & $x^{2} P(x)$ \\ \hline 0 & 0.07 & $\square$ & $\square$ & $\square$ \\ \hline 1 & 0.22 & $\square$ & $\square$ & $\square$ \\ \hline 2 & 0.17 & $\square$ & $\square$ & $\square$ \\ \hline 3 & 0.1 & $\square$ & $\square$ & $\square$ \\ \hline 4 & 0.44 & $\square$ & & $\square$ \\ \hline \end{tabular}
Find the mean. Round to two decimal places. $\mu=$ $\square$ Find the standard deviation. Round to three decimal places. $\sigma=$ $\square$ Submit Question

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Problem 122

Question 2 1 pts
The median survival for advanced pancreatic cancer is 4 months. This means that after diagnosis: half of the patients will die within 4 months the average life span for patients is 4 months most patients will die at the 4 month mark can't make any conclusion without knowing the standard deviation Ouestion 3 1 pts

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Problem 123

Below are the final results of a cereal popularity survey: - 117 people replied 'yes' to "Do you like Choco Circles?" - 223 people replied 'yes' to "Do you like Fruity Flakes?" - 93 people replied 'yes' to both questions. - 33 people replied 'no' to both questions.
If all participants replied either 'yes' or 'no' to each of the two questions, how many people participated in the survey? A. 280 B. 340 C. 373 D. 466

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Problem 124

An Intelligence test was recently adminlstered to a group of 8 people. Thelr respectlve completion times (In minutes) were as follows. $40,28,45,25,40,25,40,25$
Send data to calculator \begin{tabular}{|l|l|} \hline (a) What is the median of this data set? If your answer Is not \\ an Integer, round your answer to one dedmal place. \end{tabular}

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Problem 125

Untitled document -... www-awu.aleks.com Traditional / Stats | N... Defense | Stats | NBA... Utah vs LA Stats \& P... Ivica Zubac /// Stats /... Home - Northern Ess... Migterm Exam: Ch $1(1,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,3) 6(1,2)$ Question 12 of 30 (1 point) I Question Attempt: 1 of 1 Time Remain $\equiv 1$ 2 3 $\equiv 4$ 5 6 8 9 10
Hamburgers: A news story reported the number of calories in hamburgers from six fast-food restaurants. The results are: $\begin{array}{llllll} 280 & 310 & 290 & 330 & 260 & 340 \end{array}$
Part: $0 / 3$
Part 1 of 3 (a) Find the mean number of calories. Round the answer to one decimal place as needed.
The mean number of calories is 301.7 .
Part: $1 / 3$
Part 2 of 3 (b) Find the median number of calories. Round the answer to one decimal place as needed.
The median number of calories is $\square$ Next Part

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Problem 126

www-awualeks.com Unitiled document -.. Traditional | Stats I N... Defense | Stats | NBA... Utah vs LA Stats \& P... Ivica Zubac /// Stats /... Home - Northern Ess... Content Midterm Exam: Ch $1(1,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,3) G(1,2)$ Question 12 of 30 (1 point) I Question Attempt: 1 of 1 Time Remaining: 1:50:51 Jonath:
Hamburgers: A news story reported the number of calories in hamburgers from six fast-food restaurants. The results are: $\begin{array}{llllll} 280 & 310 & 290 & 330 & 260 & 340 \end{array}$
Part: $0 / 3$
Part 1 of 3 (a) Find the mean number of calories. Round the answer to one decimal place as needed.
The mean number of calories is 301.7 .
Part: $1 / 3$
Part 2 of 3 (b) Find the median number of calories. Round the answer to one decimal place as needed.
The median number of calories is 300 .
Part: $2 / 3$
Part 3 of 3 (c) The Impossible Burger, a plant-based burger, sold at some fast-food restaurants has 240 calories. Find the mean and median if the Impossible Burger is included. Round the answers to one decimal place as needed.
If the Impossible Burger is included, the mean number of calories is $\square$ .
If the Impossible Burger is included, the median number of calories is $\square$ Continue Submit Assignm (5) 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use 1 Privacy Center I Access

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Problem 127

Midterm Exam: Ch $1(1,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,3) 6(1,2)$ Question 27 of 30 (1 point) I Question Attempt: 1 of 1 Home - Northern Ess... A Content Ivica Zubac /// Stats/... $<13$ $\equiv 14$ $=15$ 16 $=17$ 18 19 $=20$ 21 22 $=23$ Jonath: Time Remaining: 57:32
Pain: The General Social Survey asked 835 people how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. \begin{tabular}{cc} Number of Days & Frequency \\ \hline 0 & 26 \\ 1 & 432 \\ 2 & 266 \\ 3 & 79 \\ 4 & 18 \\ 5 & 14 \\ \hline Total & 835 \end{tabular}
Part: $0 / 2$ $\square$
Part 1 of 2 (a) Compute the mean $\mu_{X}$ . Round the answer to three decimal places as needed. $\mu_{X}=\square$ $\square$

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Problem 128

Uniticed document - -.. Traditional| Stats I N... Defense IStats | NBA... Utah vs LA Stats \& P... Time Remaining: 56:18 Jonathan Midterm Exam: Ch $1(1,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,3) 6(1,2)$ Question 27 of 30 (1 point) I Guestion Attempt: 1 of 1 Españ
Pain: The General Social Survey asked 835 people how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. \begin{tabular}{cc} Number of Days & Frequency \\ \hline 0 & 26 \\ 1 & 432 \\ 2 & 266 \\ 3 & 79 \\ 4 & 18 \\ 5 & 14 \\ \hline Total & 835 \end{tabular}
Part: $0 / 2$
Part 1 of 2 (a) Compute the mean $\mu_{X}$ . Round the answer to three decimal places as needed. $\mu_{X}=1.607$
Part: $1 / 2$
Part 2 of 2 (b) Compute the standard deviation $\sigma_{X}$ . Round the answer to three decimal places as needed. $\sigma_{X}=\square$ $\square$ Subm Guntinue - 2024 McGraw HIII LLC. All Rights Resenved. Terms of Use I Privacy C

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Problem 129

Untited document -... Traditional | Stats | N... Defense / Stats | NBA.. Utah vs LA Stats \& P... Ivica Zubac /// Stats /... Home - Northern Ess... Time Remaining: 52:24 Jona Midterm Exam: Ch $1(1,2) \mathbf{2 ( 1 , 2 , 3 )} 3(1,2,3) 4(1,2) 5(1,2,3) 6(1,2)$ Question 29 of 30 (1 point) I Question Attempt: 1 of 1 19 20 $\equiv 21$ $\equiv 22$ 23 24 25 26 $\equiv 27$ 28 29
Coronary bypass surgery: A healthcare research agency reported that $41 \%$ of people who had coronary bypass surgery in 2008 were over the age of 65. Thirteen coronary bypass patients are sampled.
Part 1 of 2 (a) What is the mean number of people over the age of 65 in a sample of 13 coronary bypass patients? Round the answer to two decimal places.
The mean number of people over the age of 65 is $\square$ .
Part 2 of 2 (b) What is the standard deviation of the number of people over the age of 65 in a sample of 13 coronary bypass patients? Round the answer to four decimal places.
The standard deviation of the number of people over the age of 65 is $\square$ .

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Problem 130

Untitied document -- Traditional| Stats I N ... Defense | Stats | NBA.... Utah vs LA Stats \& P... Ivica Zubac III Stats /... Home - Northern Ess... Midterm Exam: Ch $1(1,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,3) 6(1,2)$ Question 30 of $30(1$ point) I Question Attempt: 1 of 1 Midterm Exam: Ch $1(1,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,2),(1,21$ Question 30 of 30 (1 point) I Question Attempt: 1 of 1 Time Remaining: $51: 21$ Jonathan lay I Wh. 三 19 $=20$ ； 21 $\equiv 22$ 23 $\equiv 24$ $=25$ $=26$ $\equiv 28$ $\equiv 29$ Españ 30
Put some air in your tires: Let $X$ represent the number of tires with low air pressure on a randomly chosen car. The probability distribution of $X$ is as follows. \begin{tabular}{c|ccccc} $\boldsymbol{x}$ & 0 & 1 & 2 & 3 & 4 \\ \hline $\boldsymbol{P}(\boldsymbol{x})$ & 0.1 & 0.3 & 0.3 & 0.2 & 0.1 \end{tabular}.
Part: $0 / 2$
Part 1 of 2 (a) Compute the mean $\mu_{X}$ . Round the answer to three decimal places as needed. $\mu_{X}=$ $\square$

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Problem 131

ww-awualeks.com Win say 1 Wh Untitied document -- Traditional|Stats IN. Defonse I Stats INBA... Utah vs LA Stats \& P... Home - Northern Ess... Content (4) Kaicenat - Midterm Exam: Ch $(4,2) 2(1,2,3) 3(1,2,3) 4(1,2) 5(1,2,3) \operatorname{C(1,24}$ Cuestion 30 of 30 (1 point) I Question Attempt 1 of 1 Time Remaining: $50: 29$ Jonathan Español $=30$ < 19 20 21 22 23 F 25 $=26$ $\equiv 27$ $\equiv 28$ $\equiv 29$ $=30$
Put some air in your tires: Let $X$ represent the number of tires with low air pressure on a randomly chosen car. The probability distribution of $X$ is as follows. \begin{tabular}{c|ccccc} $\boldsymbol{x}$ & 0 & 1 & 2 & 3 & 4 \\ \hline $\boldsymbol{P}(\boldsymbol{x})$ & 0.1 & 0.3 & 0.3 & 0.2 & 0.1 \end{tabular}
Part: $0 / 2$
Part 1 of 2 (a) Compute the mean $\mu_{X}$ . Round the answer to three decimal places as needed. $\mu_{X}=$ $\square$
Part: $1 / 2$
Part 2 of 2 (b) Compute the standard deviation $\sigma_{X}$ . Round the answer to three decimal places as needed. $\sigma_{X}=\square$

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Problem 132

Consider the below data for ALL PARTS of this question: $\begin{array}{llllllllll}68 & 32 & 28 & 59 & 45 & 47 & 52 & 55 & 47 & 50\end{array}$ What is the sample MEDIAN? $\qquad$ Note: Enter X.X AT LEAST ONE DIGIT BEFORE THE DECIMAL, ONE AFTER and round up AFTER all calculations. Thus, 7 is entered as $7.0 ;-3.562$ is entered as -3.6 ; 0.3750 is entered as $0.4 ; 17.351$ is entered as 17.4 $\square$ A

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Problem 133

Find the median for the data items in the given frequency distribution. \begin{tabular}{|l|l|l|l|l|l|l|l|l|} \hline Score, $\mathbf{x}$ & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\ \hline Frequency, $\mathbf{f}$ & 3 & 4 & 2 & 6 & 1 & 1 & 1 & 2 \\ \hline \end{tabular}
The median is $\square$ . (Type an integer or a decimal.)

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Problem 134

3
The starting point of 31 successful team drives was recorded in an interval format below. Use these frequencies for ALL parts of this problem. \begin{tabular}{|l|c|} \hline \multicolumn{1}{|c|}{\begin{tabular}{c} Yard \\ Interval \end{tabular}} & Frequency \\ \hline $5-9$ & 2 \\ \hline $10-14$ & 5 \\ \hline $15-19$ & 12 \\ \hline $20-24$ & 7 \\ \hline $25-29$ & 1 \\ \hline $30-34$ & 4 \\ \hline \end{tabular}
What is the grouped sample Mid for successful drives? $\qquad$ Note: Enter XXX.XX AT LEAST ONE DIGIT BEFORE THE DECIMAL, TWO AFTER and round up AFTER all calculations. Thus, 7 is entered as 7.00; 3.562 is entered as $3.56 ; 0.3750$ is entered as $0.38 ; 17.356$ is entered as 17.36 . $\square$ A

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Problem 135

Find the mode for the following group of data items. If there is no mode, so state. $16,13,12,11,17,14,10,12$ $\square$
Select the correct choice below and, if necessary, fill in the answer box within your choic A. The mode(s) is/are $\square$ . (Use a comma to separate answers as needed.) B. There is no mode.

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Problem 136

QUESTION 2 The table below shows the data collected at Mantsole Traffic Control Centre weighbridge over a day. \begin{tabular}{|c|c|c|c|} \hline Mass of Vehicles (in kg) & Frequency & Midpoints & \begin{tabular}{l} Midpoints $x$ \\ Frequency \end{tabular} \\ \hline $500<x \leq 2500$ & 0 & 1500 & \\ \hline $2500<x \leq 4500$ & 20 & 3500 & \\ \hline $4500<x \leq 6500$ & 25 & 5500 & \\ \hline $6500<x \leq 8500$ & 30 & 7500 & \\ \hline $8500<x \leq 10500$ & 42 & 9500 & \\ \hline $10500<x \leq 12500$ & 51 & 11500 & \\ \hline $12500<x \leq 14500$ & 32 & 13500 & \\ \hline \end{tabular} 2.1 Write down the modal class of the above data. 2.2 Complete the table above by filling in the Midpoints $\times$ Frequency column. (1) (2) (3) 2.3 Estimate the mean gross vehicle mass for a day.

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Problem 137

(11) Situatë reale / Zgjidh problemën Tabela tregon shpërndarjen e moshave të mësuesve sipas gjinisë, meshkuj dhe femra. a Vizato shumëkëndëshin e shpërndarjes për këto dy bashkësi të dhënash në të njëjtin diagram. b Gjej mesataren e secilës nga bashkësitë e të dhënave dhe me anë të tyre krahaso shpërndarjet e moshave të mësuesve meshkuj dhe femra. c Cila karakteristikë e diagramit tënd konfirmon se krahasimi që ke bërë është i saktë? \begin{tabular}{|c|c|c|} \hline Mosha $(x$ vite $)$ & Mashkull & Femër \\ \hline $20 \leqslant x<25$ & -1 & 0 \\ \hline $25 \leqslant x<30$ & -2 & 9 \\ \hline $30 \leqslant x<35$ & 3 & 10 \\ \hline $35 \leqslant x<40$ & 7 & 12 \\ \hline $40 \leqslant x<45$ & 10 & 8 \\ \hline $45 \leqslant x<50$ & 10 & 7 \\ \hline $50 \leqslant x<55$ & 12 & 4 \\ \hline $55 \leqslant x<60$ & 4 & 0 \\ \hline $60 \leqslant x<65$ & 1 & 0 \\ \hline \end{tabular}

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Problem 138

16 Situalë reale / Arsyeto Një shitës me pakicë ka mbajtur shënim numrin e ankesave çdo muaj). \begin{tabular}{|l|c|c|c|c|c|c|c|} \hline Muaji & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \hline Ankesat & 45 & 35 & 20 & 40 & 30 & 15 & 30 \\ \hline \end{tabular} a Vizato një varg kohor për këto të dhëna b Trego se numri mesatar i ankesave gjatë 3 muajve të parë është 33,3 (1 shifër mbas presjes dhjetore) c Trego se numri mesatar i ankesave për muajt 2, 3 dhe 4 është 31,7 ( 1 shifër mbas presjes dhjetore)
U16d Udhëzim Për të gjetur mesataren e lëvizshme për muajt 3-5. mblidh vlerat për muajt 3. 4 dhe 5 dhe pjesëto me 3. d Kopjo në fletore dhe plotëso tabelën e mesatareve të lëvizshme 3-mujore \begin{tabular}{|l|c|c|c|c|c|} \hline Muajt & $1-3$ & $2-4$ & $3-5$ & $4-6$ & $5-7$ \\ \hline \begin{tabular}{l} Mesatarja e lëvizshme \\ (1 shifër pas presjes \\ dhjetore) \end{tabular} & 33.3 & 31.7 & & & \\ \hline \end{tabular}
U16e Udhëzim Ti mund të vizatosh mesataret e lëvizshme n grafikun e vargut kohor Bëj kujdes të vizatosh vlerë në mesin e 3 mu që ajo mbulon. e Ç'tregojnë këto mesatare të lëvizshme për trendin e nërgiithshëm të ankesave tä kliontövo?

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Problem 139

```latex \text{Which measure of center would be most appropriate to describe the data in the graph?} \\ \text{(1 point)} \\ \text{mean} \\ \text{median} \\ \text{mode} \\
\text{Extracted text from attached image:} \\ 0 \quad 1 \quad 2 \quad 3 \quad 4 \quad 5 \quad 6 \quad 7 \quad 8 \quad 9 \quad 10 ```

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Problem 140

The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools. \begin{tabular}{r|r|l} Mountain View School & & Bay Side School \\ \hline $9,8,2,0$ & 1 & $0,2,4,5,6,8$ \\ \hline $8,7,6,5,5,4,4,3,1,0$ & 2 & $0,0,2,3,5$ \\ 0 & 3 & \\ & 4 & 2 \end{tabular}
Key: 2| $1 \mid 0$ means 12 for Mountain View and 10 for Bay Side
Part A: Calculate the measures of center. Show all work. (2 points) Part B: Calculate the measures of variability. Show all work. (1 point) Part C: If you are interested in a larger class size, which school is a better choice for you? Explain your reasoning. (1 poir

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Problem 141

What is the percent utilization for Customer A?
Customer Service Calls \begin{tabular}{|l|c|c|c|c|c|} \hline Customer & A & B & C & D & E \\ \hline Time, in hours & 2 & 0.5 & 0.5 & 1 & 1 \\ \hline \end{tabular} $[?]$ $\square$ Enter

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Problem 142

2 trombones for every 5 trumpets. Complete the table for the bands.
8 At the Stop and Save grocery store, an 18-ounce box of Crunchy Oats costs $\$ 4.59$ , and a 15 -ounce box costs \$3.99. a. Which box is the better buy? Explain.

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Problem 143

1. Following is the behavior of monthly subscribers' retention by month. \% Retention means how many of the active subscribers renew their subscription on the Xth month (i.e. $70 \%$ of the subscribers renew on their first renewal date after one month, then $80 \%$ of the remaining will continue to renew on the $2^{\text {nd }}$ month, etc.)
A subscription price is $\$ 10 /$ month. \begin{tabular}{|l|l|l|l|l|} \hline Month & $1^{\text {st }}$ & $2^{\text {nd }}$ & $3^{\text {rd }}$ & $4^{\text {th }}$ and above \\ \hline $\%$ rexention & $70 \%$ & $80 \%$ & $85 \%$ & $90 \%$ \\ \hline \end{tabular}
1. $\underline{b}$ What's the average revenue from a subscriber during his 1 st year of subscription? Please share your calculations.

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Problem 144

\#15 Check Skills Review Save / Exit Submit Listen
CRITICAL THINKING A contestant in a weight-loss competition wants to lose an average of at least 8 pounds per month during a five-month period. Based on the progress report, how many pounds must the contestant lose in the fifth month to meet the goal? \begin{tabular}{|c|c|} \hline \multicolumn{2}{|c|}{ Progress Report } \\ \hline Month & Pounds Lost \\ \hline 1 & 12 \\ \hline 2 & 9 \\ \hline 3 & 5 \\ \hline 4 & 8 \\ \hline \end{tabular}
The contestant must lose at least $\square$ pounds.

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Problem 145

Here is a frequency distribution table (FDT) for a small data set: \begin{tabular}{|r|r|} \hline data value & frequency \\ \hline 27 & 5 \\ \hline 28 & 6 \\ \hline 29 & 2 \\ \hline 30 & 7 \\ \hline 31 & 3 \\ \hline \end{tabular}
Find the following measures of central tendency. mean $(\bar{x})=$ 30.7 $\square$ (Please show your answer to one decimal place.) median $=$ $\square$ 28 (Please enter an exact answer.) mode $=$ $\square$ 30 0 (Please enter an exact answer.)

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Problem 146

\begin{tabular}{l} $\frac{y}{0}$ \\ \hline \end{tabular}
The number of calories in a 1-ounce serving of a certain breakfast cereal is a random variable with mean 110 and standard deviation 10. The number of calories in a cup of whole milk is a random variable with mean 140 and standard deviation 12 . For breakfast, you eat 1 ounce of the cereal with $1 / 2$ cup of whole milk. Let $T$ be the random variable that represents the total number of calories in this breakfast.
The mean of $T$ is 110 140 250 180 195

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Problem 147

Give the names of two other statistics that have the same value as the 50 th percentile.
Choose the correct answer below. A. First quartile; midrange B. Third quartile; mode C. Second quartile; median D. Second quartile; mean

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Problem 148

Suppose a student got the following grades on the exams in their mathematics course. Complete parts a) and b) below. $74,67,54,65,81,62,82$ a) Calculate the mean, median, mode, and midrange of the student's exam grades in their mathematics course.
The mean is 69.3 . (Round to the nearest tenth as needed.) The median is $\square$

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Problem 149

The salaries of 10 employees of a small company are listed. Complete parts (a) through (f) below. \begin{tabular}{cc} $\$ 32000$ & $\$ 86000$ \\ 28000 & 27000 \\ 25000 & 26000 \\ 31000 & 70000 \\ 31000 & 30000 \end{tabular} b) Determine the median.
The median salary is $\$ 30500$ (Simplify your answer.) c) Determine the mode(s). Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode salary/salaries is/are \$ 31000 . (Use a comma to separate answers, but do not use commas in any individual numbers.) B. There is no mode. d) Determine the midrange.
The midrange of the data set is $\$$ $\square$ (Simplify your answer.)

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Problem 150

The salaries of 10 employees of a small company are listed. Complete parts (a) through (f) below. \begin{tabular}{rr} $\$ 32000$ & $\$ 86000$ \\ 28000 & 27000 \\ 25000 & 26000 \\ 31000 & 70000 \\ 31000 & 30000 \end{tabular} c) Determine the mode(s). Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode salary/salaries is/are $\$ 31000$ . (Use a comma to separate answers, but do not use commas in any individual numbers.) B. There is no mode. d) Determine the midrange.
The midrange of the data set is $\$$ [ $\square$ (Simplify your answer.)

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Problem 151

Determine the mean, median, mode and midrange of the set of data. $51,44,31,42,52,39,55$ $\qquad$
The mean is $\square$ (Round to the nearest tenth as needed.)

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Problem 152

3 The table shows the golf scores of ten players over ten rounds. a) Use the information to complete the table. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|} \hline & & \multicolumn{10}{|c|}{Round} & \multicolumn{4}{|c|}{Calculations} \\ \hline & & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & Mean & Median & Mode & Range \\ \hline & & 66 & 67 & 70 & 72 & 72 & 72 & 72 & 73 & 74 & 77 & & & & \\ \hline G & A & 63 & 65 & 68 & 70 & 72 & 72 & 73 & 73 & 73 & 74 & & & & \\ \hline & B & 65 & 65 & 69 & 70 & 70 & 70 & 72 & 72 & 74 & 75 & & & & \\ \hline & c & 66 & 66 & 70 & 70 & 70 & 70 & 71 & 71 & 72 & 74 & & & & \\ \hline & E & 67 & 67 & 67 & 68 & 73 & 75 & 75 & 76 & 76 & 80 & & & & \\ \hline & F & 68 & 68 & 70 & 70 & 70 & 70 & 71 & 71 & 72 & 75 & & & & \\ \hline \end{tabular} b) Use the values calculated to put the top three golfers in order, from best to worst. Remember that a low score is good in golf.

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Problem 153

Find the mean (expected value) of the probability distribution. \begin{tabular}{|c|c|} \hline $x$ & $P(x)$ \\ \hline 75 & .12 \\ \hline 80 & .23 \\ \hline 85 & .42 \\ \hline 90 & .11 \\ \hline 95 & .12 \\ \hline \end{tabular} 85 83.2 87.1 84.4

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Problem 154

\begin{tabular}{|l|l|l|l|l|l|l} \hline 45 & 15 & 67 & 42 & 45 & 21 & 17 \\ \hline 17 & 67 & 25 & & \\ \hline \end{tabular} reate a stem and leaf plot of this data. (4 points) \begin{tabular}{l|ll} SHEM & LEAF \\ 0 & 77 \\ 1 & 5777 V \\ 2 & 1259 V \\ 3 & 2 & \\ 4 & 2557 V & \\ & & \end{tabular}
That is the range of the data? (4 points) Formula: RANGE = Maxir $\text { ANGE }=47-7=40$ $\max -\min$ . Minimum 2 2
What is the mean of the data? (4 points) For mula: Mean=(sum of all) here are 15 values. Therefore, the mean is 40 $15+29+17+47+32+22+17+7+25+42+45+21+17$
What is the median of these data? ( 3 points) Since we have is data points (an odd number), th is the 8th value. 2 .
Median is: 25 $27=\frac{25+29}{2}$
What is the mode of this dataset? (3 points) The number apps 17 appears three times, mo any other value.
MODE: 17

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Problem 155

Using the graph, estimate the death rate for 60 - to 65 -year-olds. Assuming there were about 23.4 million 60 -to 65 -year-olds, how many people in this bracket could be expected to die in a year? U.S. Death Rate by Age (0 to 80 )
The estimated death rate for 60 - to 65 -year-year-olds is 11 deaths per 1000 people. (Round to the nearest whole number as needed.) Assuming that there were about 23.4 million 60 - to 65 -year-year-olds, $\square$ people of this age bracket could be expected to die in a year (Simplify your answer) an example Get more help - clearall

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Problem 156

Os seguintes dados dizem respeito a um inquérito feito numa escola sobre o número de vezes que os alunos do $10 .^{\circ}$ ano utilizaram a biblioteca escolar no primeiro período. \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|l|l|l|} \hline \begin{tabular}{l} Número de \\ utilizações da \\ biblioteca escolar \end{tabular} & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \hline Número de alunos & 6 & 26 & 24 & 14 & 12 & 8 & 4 & 10 & 2 & 8 & 6 \\ \hline \end{tabular} 7.1. Construa a respetiva tabela de frequências relativas. Apresente os valores obtidos com duas casas decimais.
2. Indique, se existir, a moda deste conjunto de dados.
3. Determine a mediana do conjunto de dados apresentado.
De uma empresa de fabrico de materiais de construção, sabe-se que o departamento financeiro é constituído por 19 colaboradores, cuja média das suas idades é 36 e a amplitude da distribuição das mesmas é 30.
Qual dos seguintes diagramas de caule-e-folhas pode representar as idades dos colaboradores do departamento financeiro daquela empresa? (A) Idades dos colaboradores (B) Idades dos colaboradores \begin{tabular}{l|lllllllll} 2 & 2 & 2 & 4 & 4 & & & & & \\ 3 & 1 & 2 & 2 & 3 & 4 & 6 & 8 & 8 & 8 \\ 4 & 0 & 2 & 6 & & & & & & \\ 5 & 0 & 0 & 2 & & & & & & \end{tabular} \begin{tabular}{l|lllllllll} 2 & 3 & 3 & 4 & 5 & & & & \\ 3 & 1 & 1 & 2 & 3 & 4 & 5 & 8 & 8 & 8 \\ 4 & 2 & 2 & 4 & & & & & & \\ 5 & 0 & 0 & 1 & & & & & & \end{tabular}
2| 3 significa 23 anos (C) Idades dos colaboradores
2|3 significa 23 anos (D) Idades dos colaboradores \begin{tabular}{l|lllllllll} 2 & 3 & 4 & 4 & 6 & & & & & \\ 3 & 1 & 2 & 2 & 3 & 4 & 6 & 8 & 9 & 9 \\ 4 & 2 & 4 & 8 & & & & & & \\ 5 & 0 & 0 & 3 & & & & & & \end{tabular} \begin{tabular}{l|lllllllll} 2 & 3 & 4 & 4 & 4 & & & & & \\ 3 & 1 & 2 & 2 & 3 & 4 & 6 & 8 & 9 & 9 \\ 4 & 2 & 4 & 8 & & & & & & \\ 5 & 0 & 0 & 1 & & & & & & \end{tabular} 2/3 significa 23 anos 2/3 significa 23 anos

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Problem 157

Mika tracks how many times she went for a coffee latte each month. She got coffee lattes 12 times in April, 10 times in May, 18 times June, 4 times in July, and 10 times in August. a. Find the mean number of times Mika got coffee lattes.
Answer: Blank 1 b. Find the median number of coffee lattes.
Answer: Blank 2 c. Find the mode of the data set.
Answer: Blank 3 d. Find the range of the data set
Answer: Blank 4

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Problem 158

If we add the number 18 into the following list as a sixth value, then how much does the median increase by? $12, \quad 7, \quad 23, \quad 4, \quad 19$

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Problem 159

Megan recorded the temperature in her garden each morning for 6 days.
The mean of her six recorded temperatures was $2.1^{\circ} \mathrm{C}$ . The temperature on one of the days was $4.1^{\circ} \mathrm{C}$ .
What was the mean of her other 5 recorded temperatures? Give your answer as a decimal.

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Problem 160

3/22
What is the mode of the following data set... $4,8,5,17,5,4,9,5,6,82$
9 4 6 5 Anjeska Perez ${ }^{*}$ Skjp

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Problem 161

$4 / 22$
The mean of a data set can be found by... choosing the number that occurs most finding the sum of the numbers and then dividing by the total amount of numbers in the data set choosing the middle number subtracting the minimum from the maximum Anjeska Perez*

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Problem 162

$5 / 22$
The median of the numbers $34,32,12,65$ , and 45 is...
65 32 12 34 Anjeska Perez Skip

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Problem 163

The median of a data set can be found by... subtracting the minimum from the maximum finding the sum of the numbers and then dividing by the total amount of numbers in the data set choosing the number that occurs most choosing the middle number Anjeska Perer

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Problem 164

10/22
Find the mean of these numbers: $5,11,2,12,4,2$ - 2
5 6 4.5 Anjeska Perez'

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Problem 165

In order to find the median, the data must be solted from least to greatest first.
False True Anjesko Perez

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Problem 166

finding the sum of the numbers and then dividing by the total amount of numbers in choosing the number subtracting the the data set that occurs most minimum from the maximum choosing the middle number Glietico Parez

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Problem 167

19/22
The scores in a basketball match are as follows: A $7,13,18,24,9,3,18$
If the team scored 18 points on their next game, how will this effect the mode of the scores? the mode will increase by 5 the mode will decrease by 2 the mode will increase by 1 no change to the mode Anjeska Perezt Desk1 ■ Sign out Nov 19 4:45 US

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Problem 168

20/22
Grace has 5 cats that are $5,2,7,6$ , and 3 years old. If she gets a new cat that is 5 years old, how will that effect the median age of the cats?
It will increase by 1 It will stay the same It will decrease by 1 Skip Anjeska Perez"

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Problem 169

21/22
When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?
Pick the one that you want.
Subtract the two numbers.
Add the two numbers together and divide by
List both of the numbers as the Median. Anjeska Perez* Desk 1 Skjp

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Problem 170

The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (c) below. $\begin{array}{llllllll} 69.82 & 80.95 & 68.06 & 84.84 & 79.65 & 87.79 & 101.71 & 98.32 \text { ㅁ. } \end{array}$ (a) Determine a point estimate for the population mean travel tax.
A point estimate for the population mean travel tax is $\$$ $\square$ (Round to two decimal places as needed.)

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Problem 171

$\text{A group of 10 people were asked how many times they had played tennis and badminton in the past week. The results are shown in the table below.}$
$\begin{array}{|c|c|} \hline \text{Number of Times Played Tennis} & \text{Number of People} \\ \hline 0 & 1 \\ 1 & 4 \\ 2 & 5 \\ \hline \end{array}$
$\text{What is the mean number of times that each person had played tennis?}$
$\text{Give your answer as a decimal.}$

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Problem 172

Grace recorded the number of items bought by each customer in a clothes shop over two days. Her results are shown in the table below.
Work out the mean number of items bought by each customer. Give your answer as a decimal. \begin{tabular}{|c|c|c|} \hline & Saturday & Sunday \\ \hline 1 & 4 & 6 \\ \hline 2 & 1 & 5 \\ \hline 3 & 7 & 2 \\ \hline 4 & 2 & 3 \\ \hline \end{tabular}

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Problem 173

5 6 8 9 10 12 13 $\checkmark 14$ $\checkmark 15$ $\checkmark 16$
At most colleges and universities, weighted means are used to compute students' grade point averages (GPAs). At one college, the grades $A-F$ are assigned numerical values as follows. $\begin{array}{ll} A=4.0 & C=2.0 \\ B+=3.5 & D+=1.5 \\ B=3.0 & D=1.0 \\ C+=2.5 & F=0.0 \end{array}$
Grade point average is a weighted mean where the "weights" for each grade are the number of credit-hours for that class. Compute the GPA for the following 'grades. Round to the nearest hundredth. \begin{tabular}{|l|c|c|} \hline Course & Grade & Number of Credit-Hours (Weights) \\ \hline Intermediate Algebra & $B$ & 1 \\ \hline Theater & $B+$ & 4 \\ \hline Music Appreciation & $C+$ & 5 \\ \hline World History & $F$ & 2 \\ \hline \end{tabular}
The GPA for these grades is $\square$ .

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Problem 174

Coal gas is produced at a gasworks. Pollutants in the gas are removed by scrubbers, which become less and less efficient as time goes on. The following measurements, made at the start of each month, show the rate at which pollutants are escaping (in tons/month) in the gas: \begin{tabular}{|c|c|c|c|c|c|c|c|} \hline Time (months) & 0 & 1 & 2 & 3 & 4 & 5 & 6 \\ \hline Rate & 5 & 9 & 14 & 22 & 31 & 42 & 55 \\ \hline \end{tabular} A. Make an overestimate and anderestimate of the total quantity of pollutants that escape during the first month. overestimate $=$ $\square$ tons underestimate $=$ 5 $\square$ tons B. Make an overestimate and an underestimate of the total quantity of pollutants that escape for the whole six months for which we have data. overestimate $=$ $\square$ $\square$ underestimate = $\square$ C. How often would measurements have to be fhade to find an overestimate and an underestimate (for the quantity of pollutants that escaped) during the first six months which differ by exactly 1 ton from each other? 9 times a month.
Note: You can earn partial credit on this problem.

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Problem 175

Zoom
23. Duncan drove 224 miles and used eight gallons of gasoline. Ryan drove 180 miles and used six gallons of gasoline.
Duncan said that they both drove at the same rate. Is he correct? Choose the correct answer(s) from each drop-down menu to complete the statement(s). Duncan - Choose the correct answer - correct because -Choose the correct answer - - .
Clear All

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Problem 176

The salaries of 10 employees of a small company are listed. Complete parts (a) through (f) below. \begin{tabular}{r|c} $\$ 31000$ & $\$ 66000$ \\ 25000 & 30000 \\ 29000 & 26000 \\ 27000 & 76000 \\ 27000 & 32000 \end{tabular} a) Determine the mean.
The mean salary is $\$$ $\square$ (Simplify your answer.)

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Problem 177

(i) Cari perbezaan di antara bilangan saham yang diperolehi oleh Puan Alice dan Puan Fatihah?.\\ Find the difference in the number of shares obtained by Puan Alice and Puan Fatihah?\\ Jawapan/Answer. $\frac{RM 15000}{3} = RM 5000$ \\ \begin{align} \text{puan Alice} &= \frac{\text{RM15000}}{\text{RM200}} \\ &= \text{RM7500\#} \\ \text{RM } 8283.73 &- \text{RM7500} \end{align} $= RM 783.73 \#$
(ii) Pelabur yang manakah membuat pelaburan dengan bijak? Berikan justifikasi anda.\\ Which investors make smart investments? Give your justification.\\ Jawapan / Answer: $[4$ markab $]$

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Problem 178

HW Score: $57.14 \%, 8$ of 14 points Question 10, Question Pointes 0 of 1 Save statis to The ampury anpoi. a) mescurss bt cember (median and menn) a) Oncse the carrect ansuer belbia.
2. The median wit te too small and the mean will be too large. B. Ascuming the boss's the salipy is above the median, the median will be the same. The mean will be too small. C. hasuming the bcas's true salary is above the median, the median will be the same. The mean will be too large. a. The median ans the mean will be too large. Curse the conect answer below.
2. The range will likely be the same. The IQR will likely be too large. S. The range will liely be too lage. The IQR will likely be the same. C. The range will liksly be the same. The IOR will likely be too large. D. The range will likely be too large. The ICR will likely be too small.

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Problem 179

The time to fly between New York City and Chicago is uniformly distributed with a minimum of 160 minutes and a maximum of 190 minutes. What is the distribution's mean?
Select one: a. 350 b. 15 C. 175 d. None of the above e. 190 f. 160

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Problem 180

8) In order for a company to break even on jackets they have ordered, it needs to sell $25 \%$ of the jackets. If they sold 54 jackets out of a stock of 205 , have they broken even?

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Problem 181

The list shows the number of stories in the 11 tallest buildings in Springfield. Find the median and mode of the data. $40 \quad 38 \quad 40 \quad 37 \quad 33 \quad 30202421211719$
Median: $\qquad$ Mode: $\qquad$ The median of of values is $t h$ at the $\qquad$ sorted versio

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Problem 182

Calculate the 5-unit moving average of the function $f(x) = x^3 - x$ .

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Problem 183

Find missing frequencies f1 and f2 for the intervals 0-20, 20-40, 40-60, 60-80, 80-100, 100-120 with mean 57.6 and sum 50.

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Problem 184

Calculate the inflation rate from 2015 (CPI = 114.7) to 2016 (CPI = 124.5). Choose the correct option: a. $8.5\%$ , b. $14.7\%$ , c. $9.8\%$ , d. $7.9\%$ .

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Problem 185

1. Given exam scores: 92, 73, 86, 74, 69, 39, 64, 87, 85, 94, 60, 91, 40, 69, 60, 66, 76, 89, 71, 38, 80, 96, 69. a) Create a relative frequency table (lower limit 38, width 9). b) Draw a relative frequency histogram. c) Find mode. d) Find median. e) Find mean. f) Find standard deviation. g) Find range. h) Find score at the $65^{\text{th}}$ percentile. i) Find percentile of 80. j) Create a stemplot. k) Create a boxplot.

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Problem 186

Define range, median, mode, and mean. Calculate the median for level 2B class marks given level 2A's median is 58.

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Problem 187

Find the mode, median, mean, and range of the following percentages: 60, 84, 82, 66, 96, 60, 90, 64, 66, 76.

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Problem 188

Calculate the expected rate of return for investments $X$ and $Y$ based on last year's data, then recommend one.

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Problem 189

Three friends make lemonade. Who has the strongest lemon flavor based on the ratios of lemon juice to lemonade? Use unit rates.

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Problem 190

Two teams paint fences. Blue Team: 15 m² in 6 hrs; Red Team: 8 m² in 4 hrs. Which team is faster? Compare rates: $2.5 > 2$ .

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Problem 191

Find five positive integers with a mean of 12, a median of 15, and a mode of 21. What are the numbers?

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Problem 192

Calculate the percentage of adjourned cases from judges on June 21, 2014. Options: A. $62.5\%$ , B. $65\%$ , C. $30\%$ , D. None.

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Problem 193

Find the median of the set $2,2,5,1,6,7,7$ . Options: A) 5, B) 1, C) 3, D) 4.

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Problem 194

Find the median of $2,2,5,1,6,7,7$ and the union of $A=\{a, b, c, d\}$ and $B=\{b, c, 1, 2\}$ .

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Problem 195

What is the average age of Aaron's basketball team given ages: Jon 8, Jim 9, Bill 6, Aaron 9, Bob 8?

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Problem 196

Calculate the 4-day moving average for days 4-12 of the DJIA. If day 13 closes at 20,660, should you buy or sell? Justify.

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Problem 197

A school has a tournament every four years. The number of teams that participate are shown in the table. Find the following measures for the data. (a) Mean (b) Median (c) Mode \begin{tabular}{cccc} & \begin{tabular}{c} Teams \\ Year \end{tabular} & \begin{tabular}{c} Teams \end{tabular} \\ Participating & Year & Participating \\ 1968 & 33 & 1994 & 64 \\ 1972 & 38 & 1998 & 74 \\ 1976 & 33 & 2002 & 79 \\ 1980 & 33 & 2006 & 82 \\ 1984 & 41 & 2010 & 88 \\ 1988 & 55 & 2014 & 87 \\ 1992 & 63 & & \end{tabular} (a) The mean is $\square$ $\square$ . (Type an integer or decimal rounded to the nearest tenth as needed.)

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Problem 198

2 ties let, Please try again.
The photography club is selling hot chocolate at soccer games to raise money for new cameras. The table shows their proti per game for the fist five games. \begin{tabular}{|c|c|} \hline Game & Profiti (5) \\ \hline 1 & -1250 \\ \hline 2 & -10.15 \\ \hline 3 & 18.65 \\ \hline 4 & 25.90 \\ \hline 5 & 45.75 \\ \hline \end{tabular}
Based on the average proft per game, how much total money can the club expect to eam oy the end of the to-game season? $\qquad$ dollarts)

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Problem 199

The photography club is selling hot chocolate at soccer games to raise money for new cameras. The table shows their profit per game for the first five games. \begin{tabular}{|c|c|} \hline Game & Profit (\$) \\ \hline 1 & -12.50 \\ \hline 2 & -10.15 \\ \hline 3 & 18.65 \\ \hline 4 & 25.90 \\ \hline 5 & 45.75 \\ \hline \end{tabular}
Based on the average profit per game, how much total money can the club expect to earn by the end of the 10 -game season?

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Problem 200

The mean cholesterol levels of women age $45-59$ in Ghana, Nigeria, and Seychelles is $5.1 \mathrm{mmol} / \mathrm{l}$ and the standard deviation is $1.0 \mathrm{mmol} / 1$ . Assume that cholesterol levels are normally distributed and a random sample of 25 women are selected.
It is possible with rounding for a probability to be 0.0000 . a) Identify the individual, variable, type of variable and the random variable $X$ in the context of this problem.
The individual is Select an answer
The variable information collected from each individual is Select an answer
This variable is a $\square$ Select an answer variable.
The randomvariable X is as follows:
Select an answer b) List the givens with the correct symbols. $\begin{array}{l} ? \checkmark=5.1 \mathrm{mmol} / \mathrm{l} \\ ? \vee=1 \mathrm{mmol} / 1 \\ ? \vee=25 \end{array}$ c) Identify the random variable $\bar{X}$ in the context of this problem.
Select an answer d) Find the mean of the sampling distribution of the sample mean.
Put the numeric value in the first box and the correct units in the second box. e) Find the standard deviation of the sampling distribution of the sample mean.
Put the numeric value rounded to two decimal places in the first box and the correct units in the second box. $\square$

See Solution

Measures of Central Tendency

Problem 101

Problem 102

Problem 103

- It will be turned in automatically after the due date.17. Submit answerPractice similarFind the 3 unit moving average of the function f(x)=x4+8f(x)=x^{4}+8f(x)=x4+8. □\square□ Video Example: Solving A Similar Problem

Problem 104

6. Select the measures that best represent the data provided in the stem-and-leaf plot. □\square□ mean median 97.5 □\square□ 100 □\square□ range IQR 101 14

Problem 105

Problem 106

Problem 107

Problem 108

Problem 109

Problem 110

Problem 111

Determine the mean, median, mode and midrange of the set of data. 7,9,22,9,20,9,21,19□7,9,22,9,20,9,21,19 \square7,9,22,9,20,9,21,19□What is the mean? □\square□ (Round to the nearest tenth as needed.)

Problem 112

Problem 113

Problem 114

The mean score on a set of 19 tests is 77. What is the sum of all the test scores? The sum of all the test scores is □\square□

Problem 115

Problem 116

Problem 117

Problem 118

In a simple random sample of size 65 , there were 37 individuals in the category of interest.Part: 0/40 / 40/4 □\square□Part 1 of 4 (a) Compute the sample proportion pundefined\widehat{p}p​. Round the answer to at least three decimal places.The sample proportion is □\square□

Problem 119

9. Students in a school were asked their favorite color. 58 students chose blue 49 chose yellow, 43 chose green, and 50 chose red. a. What fraction of students chose blue? b. What percent of students chose green? c. What percent of students chose red? d. What fraction of students chose yellow?

Problem 120

Problem 121

Problem 122

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Problem 124

Problem 125

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Problem 137

Problem 138

Problem 139

Problem 140

Problem 141

What is the percent utilization for Customer A?Customer Service Calls \begin{tabular}{|l|c|c|c|c|c|} \hline Customer & A & B & C & D & E \\ \hline Time, in hours & 2 & 0.5 & 0.5 & 1 & 1 \\ \hline \end{tabular} [?][?][?] □\square□ Enter

Problem 142

2 trombones for every 5 trumpets. Complete the table for the bands.8 At the Stop and Save grocery store, an 18-ounce box of Crunchy Oats costs $4.59\$ 4.59$4.59, and a 15 -ounce box costs \$3.99. a. Which box is the better buy? Explain.

Problem 143

Problem 144

Problem 145

Problem 146

Problem 147

Give the names of two other statistics that have the same value as the 50 th percentile.Choose the correct answer below. A. First quartile; midrange B. Third quartile; mode C. Second quartile; median D. Second quartile; mean

Problem 148

Problem 149

Problem 150

Problem 151

Determine the mean, median, mode and midrange of the set of data. 51,44,31,42,52,39,5551,44,31,42,52,39,5551,44,31,42,52,39,55 \qquadThe mean is □\square□ (Round to the nearest tenth as needed.)

Problem 152

Problem 153

Find the mean (expected value) of the probability distribution. \begin{tabular}{|c|c|} \hlinexxx & P(x)P(x)P(x) \\ \hline 75 & .12 \\ \hline 80 & .23 \\ \hline 85 & .42 \\ \hline 90 & .11 \\ \hline 95 & .12 \\ \hline \end{tabular} 85 83.2 87.1 84.4

Problem 154

Problem 155

Problem 156

Problem 157

Problem 158

If we add the number 18 into the following list as a sixth value, then how much does the median increase by? 12,7,23,4,1912, \quad 7, \quad 23, \quad 4, \quad 1912,7,23,4,19

Problem 159

Problem 160

3/22What is the mode of the following data set... 4,8,5,17,5,4,9,5,6,824,8,5,17,5,4,9,5,6,824,8,5,17,5,4,9,5,6,829 4 6 5 Anjeska Perez ∗{ }^{*}∗ Skjp

Problem 161

4/224 / 224/22The mean of a data set can be found by... choosing the number that occurs most finding the sum of the numbers and then dividing by the total amount of numbers in the data set choosing the middle number subtracting the minimum from the maximum Anjeska Perez*

Problem 162

5/225 / 225/22The median of the numbers 34,32,12,6534,32,12,6534,32,12,65, and 45 is...65 32 12 34 Anjeska Perez Skip

Problem 163

The median of a data set can be found by... subtracting the minimum from the maximum finding the sum of the numbers and then dividing by the total amount of numbers in the data set choosing the number that occurs most choosing the middle number Anjeska Perer

- It will be turned in automatically after the due date.
17. Submit answer
Practice similar
Find the 3 unit moving average of the function $f(x)=x^{4}+8$ . $\square$ Video Example: Solving A Similar Problem

6. Select the measures that best represent the data provided in the stem-and-leaf plot. $\square$ mean median 97.5 $\square$ 100 $\square$ range IQR 101 14

Determine the mean, median, mode and midrange of the set of data. $7,9,22,9,20,9,21,19 \square$
What is the mean? $\square$ (Round to the nearest tenth as needed.)

The mean score on a set of 19 tests is 77. What is the sum of all the test scores? The sum of all the test scores is $\square$

In a simple random sample of size 65 , there were 37 individuals in the category of interest.
Part: $0 / 4$ $\square$
Part 1 of 4 (a) Compute the sample proportion $\widehat{p}$ . Round the answer to at least three decimal places.
The sample proportion is $\square$

What is the percent utilization for Customer A?
Customer Service Calls \begin{tabular}{|l|c|c|c|c|c|} \hline Customer & A & B & C & D & E \\ \hline Time, in hours & 2 & 0.5 & 0.5 & 1 & 1 \\ \hline \end{tabular} $[?]$ $\square$ Enter

2 trombones for every 5 trumpets. Complete the table for the bands.
8 At the Stop and Save grocery store, an 18-ounce box of Crunchy Oats costs $\$ 4.59$ , and a 15 -ounce box costs \$3.99. a. Which box is the better buy? Explain.

Give the names of two other statistics that have the same value as the 50 th percentile.
Choose the correct answer below. A. First quartile; midrange B. Third quartile; mode C. Second quartile; median D. Second quartile; mean

Determine the mean, median, mode and midrange of the set of data. $51,44,31,42,52,39,55$ $\qquad$
The mean is $\square$ (Round to the nearest tenth as needed.)

Find the mean (expected value) of the probability distribution. \begin{tabular}{|c|c|} \hline $x$ & $P(x)$ \\ \hline 75 & .12 \\ \hline 80 & .23 \\ \hline 85 & .42 \\ \hline 90 & .11 \\ \hline 95 & .12 \\ \hline \end{tabular} 85 83.2 87.1 84.4

If we add the number 18 into the following list as a sixth value, then how much does the median increase by? $12, \quad 7, \quad 23, \quad 4, \quad 19$

3/22
What is the mode of the following data set... $4,8,5,17,5,4,9,5,6,82$
9 4 6 5 Anjeska Perez ${ }^{*}$ Skjp

$4 / 22$
The mean of a data set can be found by... choosing the number that occurs most finding the sum of the numbers and then dividing by the total amount of numbers in the data set choosing the middle number subtracting the minimum from the maximum Anjeska Perez*

$5 / 22$
The median of the numbers $34,32,12,65$ , and 45 is...
65 32 12 34 Anjeska Perez Skip

10/22
Find the mean of these numbers: $5,11,2,12,4,2$ - 2
5 6 4.5 Anjeska Perez'

In order to find the median, the data must be solted from least to greatest first.
False True Anjesko Perez

20/22
Grace has 5 cats that are $5,2,7,6$ , and 3 years old. If she gets a new cat that is 5 years old, how will that effect the median age of the cats?
It will increase by 1 It will stay the same It will decrease by 1 Skip Anjeska Perez"