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Samples of four salespeople from each of four regions were

Samples of four salespeople from each of four regions were asked to predict percentage increases in sales volume for their territories in the next 12 months. The predictions are shown in the accompanying table.

a. Prepare the analysis of variance table.

b. Test the null hypothesis that the four population mean sales growth predictions are equal.

a. Prepare the analysis of variance table.

b. Test the null hypothesis that the four population mean sales growth predictions are equal.

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