The following matrix presents the results from an independent measures, two-factor study with 10 participants in each treatment. Note that one treatment is missing. Factor B B1 B2 Factor A A1 M= 20 M = 30 A2 M = 40 M = ? 5. What value of the missing mean would result in no main effect for Factor A? 6. What value of the missing mean would result in no interaction?

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