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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S- r-165 B2 104 990 102 009 111 009 003 014 195 100 009 07 199 100 1 She 50 55 64 96 90 60 52 72 80 52 85 80 85 80 80 80 85 85 78 80 80 100 100 90 9 6965978879 6578557967 1. 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0. 12345678901234567890