Question

For the two large newspapers in your city, you are interested in knowing whether there is a significant difference in the average number of pages in each dedicated solely to advertising. You randomly select 10 editions of newspaper A and 6 editions of newspaper B (excluding weekend editions). The data follow. Use α = .01 to test whether there is a significant difference in averages.
Assume the number of pages of advertising per edition is normally distributed and the population variances are approximately equal.


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  • CreatedFebruary 19, 2015
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