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In a test of the effectiveness of garlic for lowering? cholesterol, 48 subjects

ID: 3375242 • Letter: I

Question

In a test of the effectiveness of garlic for lowering? cholesterol, 48 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 2.8 and a standard deviation of 15.8. Complete parts? (a) and? (b) below. Click here to view a t distribution table. LOADING... Click here to view page 1 of the standard normal distribution table. LOADING... Click here to view page 2 of the standard normal distribution table. LOADING... 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 nothing ?mg/dL. ?(Type an integer or a? decimal.)

Explanation / Answer

Best point estimate of the population mean net change in LDL cholesterol

= Sample mean

= 2.8 mg/dL

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