In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects w

Question

In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their levels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 15.4. Complete parts (a) and (b) below Click here to view a t distribution table Click here to view page 1 Click here to view page 2 of the standard normal distribution table of the standard normal distribution table a. What is the best point estimate of the population mean net change in LDL cholesterol after the garlic treatment? The best point estimate is mg/dL (Type an integer or a decimal.)

Explanation / Answer

Solution:- Given that mean = 3.2, standard deviation 15.4,n = 50

a. The best point estimate is 3.2 mg/dl

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