I have gotten all the questions but this one

. A recent study reports that older adults who got regular physical exercise (as measured by a pedometer) experienced fewer symptoms of depression, even when tested 2 years later. Following are hypothetical data similar to the results obtained in this study.

a.   Calculate the mean and standard deviation for each group of scores




b.    Based on the statistics from part a, does there appear to e a difference between the two groups?



Regular Exercise    No regular exercise
1   5
3   4
4   6
3   3
5   5
2   7
3   6
4   6



The deadline for this assignment is 11:59 PM EST on Sunday of Week 1