The publisher of Celebrity Living claims that the mean sales for personality magazines that feature people such
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The publisher of Celebrity Living claims that the mean sales for personality magazines that feature people such as Megan Fox or Jennifer Lawrence are 1.5 million copies per week. A sample of 10 comparable titles shows a mean weekly sales last week of 1.3 million copies with a standard deviation of 0.9 million copies. Do these data contradict the publisher’s claim? Use the .01 significance level.
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Related Book For
Basic Statistics For Business And Economics
ISBN: 9781260187502
9th Edition
Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen
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