Wednesday

October 22, 2014

October 22, 2014

Posted by **Jason L** on Friday, February 23, 2007 at 4:33pm.

Chart -

n Avg Stand Dev

27 18 6.4

29 23 8.2

You can probably use a 2-sample t-test on your data. Find the critical value using a t-table. Once you calculate the test statistic, compare the test statistic to the critical value. If the test statistic exceeds the critical value, you will reject the null and conclude a difference. If the test statistic does not exceed the critical value, you cannot reject the null.

I hope these few suggestions will help.

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