Posted by **Carl** on Wednesday, June 15, 2011 at 1:10pm.

2. A teacher wants to investigate whether there is a difference between male and female students in the amount of time they spend studying for statistics. The table below shows the amount of time students spend studying statistics each week. The amounts of time spent studying are normally distributed.

Male Female

27 25

25 29

19 18

10 23

16 20

17 15

15 19

a. What statistical test should be used to analyze the data?

b. Is this a one- or two tailed test?

c. Identify H0 and Ha for this study.

d. Conduct the appropriate analysis. Should H0 be rejected?

- statistics -
**MathGuru**, Wednesday, June 15, 2011 at 7:32pm
Try an independent groups t-test. This will be a two-tailed test because the problem is just asking if there is a difference, which could be in either direction.

Ho: µ1 = µ2 -->population means are equal

Ha: µ1 does not equal µ2 -->population means are not equal

I hope this will help get you started.

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