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Magazines in Bookstores A survey of bookstores showed that
Chapter 3, Problem 14RE(choose chapter or problem)
Problem 14RE
Magazines in Bookstores A survey of bookstores showed that the average number of magazines carried is 56, with a standard deviation of 12. The same survey show ed that the average length of time each store had been in business was 6 years, with a standard deviation of 2.5 years. Which is more variable, the number of magazines or the number of years? (3–2)
Questions & Answers
QUESTION:
Problem 14RE
Magazines in Bookstores A survey of bookstores showed that the average number of magazines carried is 56, with a standard deviation of 12. The same survey show ed that the average length of time each store had been in business was 6 years, with a standard deviation of 2.5 years. Which is more variable, the number of magazines or the number of years? (3–2)
ANSWER:
Solution :
Step 1 of 1:
Our goal is:
We need to which is more variable.
Given the average length of time is , then the standard deviation s is 2.5.
Then the average length of time is , then the standard deviation s is 2.5.