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 efore and after the treatment. The changes (before-after) in their levels of LDL cholesterol (in mg/dL) have a mean of 5.8 and a standard deviation of 16.4.
Construct a 95% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest abo
he effectiveness of garlic in reducing LDL cholesterol?
Click here to view at 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
What is the confidence interval estimate of the population mean?
mg/dL .
(Round to two decimal places as needed.)