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5 When 40 people used the Weight Watchers diet for one year the mean weight loss was 3 pounds and the standard deviation was 5

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5 When 40 people used the Weight Watchers diet for one year the mean weight loss was 3 pounds and the standard deviation was 5 pounds Use a 0 01 significance level to test the claim that the mean weight loss is greater than 0 Ho M 0 Ha M 0 claim Test Statistics

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