=+its customers would be encouraged to make longer calls and thus that there would not be a
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=+its customers would be encouraged to make longer calls and thus that there would not be a big loss in revenue. Let m denote the true mean length of long-distance calls after the rate reduction. What hypotheses should the phone company test to determine whether the mean length of long-distance calls increased with the lower rates?
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Related Book For
Statistics The Exploration And Analysis Of Data
ISBN: 9781111804138
6th Edition
Authors: John M Scheb, Jay Devore, Roxy Peck
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