Math  /  Data & Statistics

Question8. For the given exam grades, briefly describe the shape and variation of the distribution. Exam results for 100 students: median =82=82, mean =65=65, low score =22=22, high score =100=100 Use the skills covered in the Brief Review on p. 415 to answer the following questions. A local ski sale featurs

Studdy Solution
Describe the variation of the distribution.
- The range of the data is calculated as the difference between the highest and lowest scores: Range=10022=78 \text{Range} = 100 - 22 = 78 - A large range indicates a wide spread of scores. - The mean being significantly lower than the median suggests that there are some low outliers pulling the mean down.
The distribution is left-skewed with a wide variation, as indicated by the large range and the mean being significantly lower than the median.

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