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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

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.

Please provide answer and explanation.

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