13. If we were looking to dispute the reported average of 155, how would you express 0...

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13. If we were looking to dispute the reported average of 155, how would you express 0 H and a H ? It is reported1 that the average or mean number of Facebook friends is 155. Suppose that when 50 randomly chosen Facebook users are polled regarding the number of their friends, the average number of their friends was reported to be x 5149 with a standard deviation of s529.7.

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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