Are You Dieting? To compare two weightreduction diets A and B, 60 dieters were
Chapter 8, Problem 48(choose chapter or problem)
Are You Dieting? To compare two weightreduction diets A and B, 60 dieters were randomlyselected. One group of 30 dieters was placed on dietA and the other 30 on diet B, and their weight losseswere recorded over a 30-day period. The means andstandard deviations of the weight-loss measurementsfor the two groups are shown in the table. Find a95% confidence interval for the difference in meanweight loss for the two diets. Interpret your confidenceinterval.Diet A Diet BxA 21.3 xB 13.4sA 2.6 sB 1.9
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