1. Calculate the 95% confidence interval of the population mean for each group and report the lower limit and upper limit of the interval. If your research question is to test the population, mean against a single value, you have only one group. If your research question is to compare the population mean of two groups, you have two groups. Lower limit: Upper limit:

MALE	FEMALE
3.93	7.13
4.49	6.2
4.48	5.16
7.2	6.65
3.93
6.02
4.46
4.8
6.1
4.75
6.48
6.23
9.05
4.78
7.9
4.18
5.32
5.06