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A Vitamin-Water Manufacturer Wants to Compare the Effects on Sales

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A vitamin-water manufacturer wants to compare the effects on sales of three water colors: green, blue, and red. Four regions are selected for the test, with the following ANOVA results.
A vitamin-water manufacturer wants to compare the effects on sales of three water colors: green, blue, and red. Four regions are selected for the test, with the following ANOVA results. Compute the mean square and F to test the null hypothesis that there is no interaction at α = .01. Compute the mean square and F to test the null hypothesis that there is no interaction at α = .01.

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There is no evidence of an int...

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