A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not. The 50 men who exercise regularly have a mean HDL of 48.5 with a standard deviation of 12.5....

A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not. The 50 men who exercise regularly have a mean HDL of 48.5 with a standard deviation of 12.5. The 100 men who do not exercise regularly have a mean of 56.9 with a standard deviation of 11.9. Construct a
95% confidence interval
for the difference between means, assuming equal variance.
Give an interpretation of the confidence interval. You MUST show your work