In a test of of garlic for lowering cholesterol, 45 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured beforeandafter the trmt. The changes in their levels of LDL chol (in mg/dL) have a mean of 5.4 and a sd of 17.5. Construct a 90% confidence interval est. of the mean net change in LDL chol. after the garlic trmt. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol?
What is the confidence interval of the mean u?
___Mg/dL

Question

In a test of of garlic for lowering cholesterol, 45 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured beforeandafter the trmt. The changes in their levels of LDL chol (in mg/dL) have a mean of 5.4 and a sd of 17.5. Construct a 90% confidence interval est. of the mean net change in LDL chol. after the garlic trmt. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol?
What is the confidence interval of the mean u?
___Mg/dL < u < ___Mg/dL