An advertising agency is considering two advertisements for a major client. One of the advertisements is in
Question:
a. Place a 95% confidence on the difference in the proportions of males and females that prefer the color advertisement.
b. Does the confidence interval indicate that there is a significant difference in the proportions? Use a = .05.
c. Are the conditions for using a large- sample test to answer the question in part (b) satisfied? If not, apply an exact procedure.
d. Based on your results from parts (a) and (b), should the advertisement firm use different advertisements for male and female customers?
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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