Using the Data sheet 2 and find the followings:

1) Compare between the average of weights of case for male group and that for female group?.

2) Is the average of weight of cases equal to 150?

3) Are the averages of weight of case and controal equal?.

4) Test whether or not the average of height of case group is less than that of controal group?.

5) Repeat 2, 3, and 4 for male group and female group separately?.