A restaurant claims that the standard deviation of the lengths of serving times is 3 minutes. A
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A restaurant claims that the standard deviation of the lengths of serving times is 3 minutes. A random sample of 27 serving times has a standard deviation of 3.9 minutes. At a 0.01, is there enough evidence to reject the restaurant's claim?
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321693624
5th Edition
Authors: Ron Larson, Betsy Farber
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