Question:

15 A medical researcher treats 100 subjects with high

Last updated: 3/7/2023

15 A medical researcher treats 100 subjects with high

15 A medical researcher treats 100 subjects with high cholesterol levels with a new drug The average decrease in cholesterol level is 80 after two months of taking the drug Assume that the decrease in cholesterol after two months of taking the drug follows a Normal distribution with unknown mean u and standard deviation 20 What is the 90 confidence interval for u based on these data