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...

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

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