# statistics am i right so far

posted by
**jabrony** on
.

SO FAR I HAVE 9.63 FOR THE 1ST 2 COLUMNS

AND 7.56 FOR LAST COLUMN FOR THE VARIANCES. I GOT Z= .0875

SEDIFF =1.2364 SEm=.6019 for 1st set of #s and SEm=1.08 for 2nd set of #s

is that correct and now what?

A total of 23 High School students were admitted to State University. Of those students, 7 were offered athletic scholarships. The schoolâ€™s guidance counselor looked at their composite ACT scores (given in the table below), wondering if State U might admit people with lower scores if they also were athletes

composite ACT test scores

non atheletes

25

22

19

25

24

25

24

23

21

27

29

26

30

27

26

23

atheletes

22

21

24

27

19

23

17

Test an appropriate hypothesis and state your conclusion. Use alpha = .05 for your test. Show the null and alternative hypothesis, the p-value, your conclusion to reject or not, and finally a summarizing statement regarding your conclusion.

Then create a 90% confidence interval and tell me what it means in terms of the problem