QuestionFor the following, indicate whether a confidence interval for a proportion or mean should be constructed to estimate the variable of interest. Justify your response.
Does chewing your food for a longer period of time reduce one's caloric intake of food at dinner? A researcher requires a sample of 75 healthy males to chew their food twice as long as they normal do. The researcher then records the calorie consumption at dinner.
The confidence interval for a mean
should be constructed because the variable of interest is an individual's reduction in caloric intake,
which is a variable.
quantitative
qualitative
Studdy Solution
STEP 1
1. The variable of interest is the reduction in caloric intake.
2. Caloric intake is measured in numerical values.
STEP 2
1. Identify the type of variable involved.
2. Determine the appropriate confidence interval to construct.
STEP 3
Identify the type of variable involved:
The variable of interest is the reduction in caloric intake, which is measured in calories. Calories are numerical values, making this a quantitative variable.
STEP 4
Determine the appropriate confidence interval to construct:
Since the variable of interest is quantitative (caloric intake), a confidence interval for a mean should be constructed.
The confidence interval for a mean should be constructed because the variable of interest is an individual's reduction in caloric intake, which is a quantitative variable.
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