A manufacturer of pens has hired an advertising agency to develop an advertising campaign for the upcoming
Question:
a. At the 0.05 level of significance, is there evidence of a difference in the mean rating of the pens following exposure to five advertisements?
b. If appropriate, determine which advertisements differ in mean ratings.
c. At the 0.05 level of significance, is there evidence of a difference in the variation in ratings among the five advertisements?
d. Which advertisement(s) should you use, and which advertisement (s) should you avoid? Explain.
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Related Book For
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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