Mathematics, 13.08.2021 04:10 stinematesa

Use the information below to answer the question We are interested in determining the average cholesterol level of African American and Caucasian American women diagnosed with heart disease in Miami, FL. We visit 4 hospitals and pull from the medical records the cholesterol level of diagnosis for 100 African American women, and 100 Caucasian women with heart disease. We determine the average cholesterol levels at diagnosis to be 240.5, and 238; respectively. The standard deviation in cholesterol levels is 10.65 for African American women and 9.5 for Caucasian American women. What is the 95% CI for the mean cholesterol level for African American women? (Uses the normal distribution).

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