=+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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Statistics The Exploration And Analysis Of Data

ISBN: 9781111804138

6th Edition

Authors: John M Scheb, Jay Devore, Roxy Peck

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