Question

The February 1998 issue of Consumer Reports provides data on the price of 24 brands of paper towels. The prices are given in both cost per roll and cost per sheet because the brands had varying numbers of sheets per roll.
a. Compute the standard deviation for both the price per roll and the price per sheet.
b. Which is more variable, price per roll or price per sheet?
c. In your comparison in part (b), should you use s or CV? Justify your answer.


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  • CreatedNovember 21, 2015
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