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ID mathxl.com Do Homework - Mirdiana Bahtiri STA2023-Fall 2017, Class Nbr. 653ai

ID: 3326265 • Letter: I

Question

ID mathxl.com Do Homework - Mirdiana Bahtiri STA2023-Fall 2017, Class Nbr. 653airdiana Bahtiri 12/18/17 9:25 PM Homework: HW Ch 7 Score: 0 of 1 pt 7.3.15 Save 5 of 12 (11 complete) Hw Score: 72.22%, 8.67 of 12 pts Question Help * In a test of the effectiveness of garlic for lowering cholesterol, 47 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 3.5 and a standard deviation of 17.3. Complete parts (a) and (b) below. Click here to view a t distribution table. Cok here yee pace 2 of the sandand norma 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.) Enter your answer in the answer box and then click Check Answer

Explanation / Answer

Solution: What is the best point estimate of the population mean net change in LDL cholesterol after the garlic treatment?

Answer: The best point estimate is 3.5 mg/dL because sample mean net change is an unbiased estimate of the population mean net change.