The effectiveness of advertising is measured from a variety of perspectives. A
marketing executive has undertaken a study to examine the comparative effect of three
different media sources in four different sales areas and has obtained the following
results: Sum of squares for Areas = 24.15 ;Sum of squares for Media = 76.38 ; Sum of
squares for Error = 30.66 .
(一) Which kind of ANOVA design is performed? (5%)
(二) List the accompanying ANOVA table. (10%)
(三) State the conclusions you draw from the analysis. Use α = 0.05 . (15%)
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