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April 18, 2015

April 18, 2015

Posted by **Mike** on Wednesday, April 4, 2012 at 4:50pm.

- Statistics -
**MathGuru**, Wednesday, April 4, 2012 at 8:06pmTry an independent groups t-test.

Hypotheses:

Ho: µ1 = µ2 -->null hypothesis

Ha: µ1 < µ2 -->alternate hypothesis

Use (n1 + n2 - 2) degrees of freedom for this test. Use a t-table to determine your cutoff or critical value to reject the null using 0.05 level of significance for a one-tailed test. If your test statistic exceeds the critical value from the table, reject the null and conclude a difference (µ1 < µ2). If the test statistic does not exceed the critical value from the table, do not reject the null.

I hope this will help get you started.

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