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April 20, 2014

Homework Help: statistics

Posted by jabrony on Monday, November 28, 2011 at 1:29pm.

Composite ACT Scores
Non-Athletes Athletes
25 21 22
22 27 21
19 29 24
25 26 27
24 30 19
25 27 23
24 26 17
23 23

a. 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.

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