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In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with garlic in a proceessed tablet form. Cholesterol levels were measured before and after treatment. The changes in the leves of LDL cholesterol (in mg/dL) have a mean of 2.8 and standard deviation of 19.6. Complete parts (a) and (b) bellow. a) What is the best point estimiate of the population mean net Change in LDL cholesterol afer the garlic treatment? The best point estimiate is ___ mg/dL. b)contstruct a 90% confidence interval estimate ofthe mean net change LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducling LDL cholesterol? What is the confidence interval estimate of the population mean u? ___mg/dL < u < ___ mg/dL c.) What does the confidence interval suggest about the effectiveness of the treatment?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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