Question: Test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance. At the 5% significance level, does it appear that a difference exists in the true mean weight loss produced by the three exercise programs? (One type of ANOVA) Also, check this problem out if the significance level was .025. Is there a difference in the conclusion? Please discuss.

Exercise A Exercise B Exercise C

3.5 2.8 4.3

8.8 4.9 6.2

7.3 1.1 5.8

7.8 7.8 8.1

5.1 1.2 7.9

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