Nielsens Advertising and Audiences report indicated that during the 20132014 season, more people in the United States

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Nielsen’s Advertising and Audiences report indicated that during the 2013–2014 season, more people in the United States watched TV on Sundays during prime time (average of 125 million) than any other night of the week. Monday ranked second with 120 million U.S. viewers. Fridays and Saturdays had the fewest viewers (107 million and 108 million, respectively).

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a. Calculate the sample standard deviation and mean number of minutes spent viewing television.

b. Calculate a 95% confidence interval for the average number of viewers on Sundays in 2015.

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Business Statistics A Decision Making Approach

ISBN: 9780134496498

10th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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