This is a statistics class for biology majors.

The researcher in the previous problem also collects pilot data on 12 men between the ages of 30 and 40 who do not lead physically active lives (in other words, do not meet the recommendations of Healthy People 2010 for physical activity). Summary HDL

information on the two groups of men is presented below:

Group 11 sample mean sample standard deviation Not physically active 12 46. 9 12.5 Physically active 7 5 1. 1 9.3