A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not.
A study is run comparing HDL cholesterol levels between men who exercise
regularly and those who do not. The data are shown below.
Regular Exercise
N
Mean
Std Dev
Yes
35
48.5
12.5
No
120
56.9
11.9
Generate a 95% confidence interval for the difference in mean HDL levels between men who exercise regularly and those who do not.
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