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As director of advertising for your firm, you wish to compare the effectiveness

ID: 3158662 • Letter: A

Question

As director of advertising for your firm, you wish to compare the effectiveness of various advertising formats. Twenty one shoppers are placed into three groups of seven people each. Each group is shown a different advertisement. Each member of every group subsequently rate them on a scale of 10 to 50. The partially completed ANOVA table is shown below. Source Sum of Squares DF Mean Squares F Ratio p-value Between Groups BB AA 67.9 FF p< 0.01 Within Groups DD CC 23.4 Total 557.0 EE What is the value of AA,BB,CC,DD, EE, and FF

Explanation / Answer

source SS df MS F p value between 135.8 2 67.9 2.9017094 p