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
Statistics For Managers Using Microsoft Excel
ISBN: 772
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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