Question: It is claimed that a new diet will reduce a persons weight by 4.5 kilograms on average in a period of 2 weeks. The weights

It is claimed that a new diet will reduce a person’s weight by 4.5 kilograms on average in a period of 2 weeks. The weights of 7 women who followed this diet were recorded before and after the 2-week period.

Test the claim about the diet by computing a 95% confidence interval for the mean difference in weights. Assume the 2

differences of weights to be approximately normally distributed.

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