1. The dot plots show the ages of people at two different movies at a schoo movie night. Which data set seems to have greater variability? Ages at Movie A Ages at Movie B 6 7 8 9 10 11 12 13 14 15 16 17 18 6 7 8 9 10 11 12 13 14 15 16 17 18 2. Use the data sets in Item 1. What is the mean absolute deviation of the ages at Movie B? A 0 B 1.25 1.4 D 16

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Q: Consider the following frequency distribution for a sample of 20 observations Class 0< 5 5< 10 10 <…

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