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Question: 19 in a test of the adkins weight loss program...

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19. In a test of the Adkins weight loss program, 40 individuals participated in a randomized trial with overweight adults. After 12 months, the mean weight loss was found to be 2.1 lb, with a standard deviation of 4.8 lb. Construct a 90% confidence interval estimate of the mean weight loss for all such subjects. Round to the nearest hundredth of a pound.

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