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4.) Atkins Weight Loss Program. In a test of weight loss programs, 40 adults used the Atkins weight loss program. After
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4.) Atkins Weight Loss Program. In a test of weight loss programs, 40 adults used the Atkins weight loss program. After 12 months, their mean weight loss was found to be 2.2 lb., with a standard deviation of 4.8 lb. Construct a 90% confidence interval estimate of the mean weight loss for all subjects. Does the Atkins program appear to be effective? Does it appear to be practical? (a) Verify that the requirements are met. State them and show them. (b) Find the critical values that correspond to the confidence level. (c) Evaluate the margin of error. (d) State the confidence interval in one of the three given formats. (e) State your conclusion.