Score: 0 of 1 pt 5 of 40 (11 complete) HY Score: 25%, 10 of 40 pts 7.3.15 E Ques

Question

Score: 0 of 1 pt 5 of 40 (11 complete) HY Score: 25%, 10 of 40 pts 7.3.15 E Question Help In a test of the effectiveness of garlic for lowering cholesterol, 44 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 5.5 and a standard deviation of 16.8. Complete parts (a) and (b) below. lick here to view a t distribution table Click here to view page 1 of the standard normal distribution table, Click here to view page 2 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 ismg/dL. Type an integer or a decimal.)

Explanation / Answer

Solution :

Given that ,

mean = Xbar = 5.5 , n = 44

a) The best point estimate of the population mean net change in LDL cholestorel after the garlic treatment is

The best point estimate is = Xbar = 5.5 mg/dl .

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