Brands of Toothpaste Carried Asurvey of grocery stores showed that the average number of
Chapter 3, Problem 30(choose chapter or problem)
Brands of Toothpaste Carried Asurvey of grocery stores showed that the average number of brands of toothpaste carried was 16, with a standard deviation of 5. The same survey showed the average length of time each store was in business was 7 years, with a standard deviation of 1.6 years. Which is more variable, the number of brands or the number of years?
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