How many full-page advertisements are found in a magazine? In an October issue of Muscle and Fitness,
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How many full-page advertisements are found in a magazine? In an October issue of Muscle and Fitness, there were 252 ads, of which 97 were full-page. For the same month, the magazine Glamour had 342 ads, of which 167 were full-page. (a) Is the difference significant at α = .01? (b) Find the p-value. (c) Is normality assured? (d) Based on what you know of these magazines, why might the proportions of full-page ads differ? (Data are from a project by MBA students Amy DeGuire and Don Finney.)
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a which falls between the critical values so we fail to reject the null hypothesis The ...View the full answer
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