Consumers may be interested in whether the cost of a particular calculator varies from store to store.
Question:
Consumers may be interested in whether the cost of a particular calculator varies from store to store. Based on surveying 43 stores, which yielded a sample mean of $84 and a sample standard deviation of $12, test the claim that the standard deviation is greater than $15.
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To test the claim that the standard deviation is greater than 15 we can use a hypothesis test Well u...View the full answer
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Related Book For 
Introductory Business Statistics
ISBN: 202318
1st Edition
Authors: Alexander Holmes , Barbara Illowsky , Susan Dean
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