Question: A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not.The data are shown below. a. Generate a

A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not.The data are shown below.

a. Generate a 95% confidence interval for the difference in mean HDL levels between men who exercise regularly and those who do not.

b. Compute and interpret Sp?

Regular Exercise N Mean Std Dev

Yes 35 48.5 12.5

No 120 56.9 11.9

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