Confidence Intervals. In Exercises 924, construct the confidence interval.Garlic for
Chapter 7, Problem 15(choose chapter or problem)
Confidence Intervals. In Exercises 924, construct the confidence interval.Garlic for Reducing Cholesterol In a test of the effectiveness of garlic for lowering cholesterol, 49 subjects were treated with raw garlic.Cholesterol levels were measured before and after the treatment. The changes (before minus after) in their levels of LDL cholesterol (in mg/dL) had amean of 0.4 and a standard deviation of 21.0 (based on data from Effect of Raw Garlic vs Commercial Garlic Supplements on Plasma LipidConcentrations in Adults with Moderate Hypercholesterolemia, by Gardner et al., Archives of Internal Medicine, Vol. 167). Construct a 98% confidenceinterval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about theeffectiveness of garlic in reducing LDL cholesterol?
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