Posted by Donaldson on Thursday, May 13, 2010 at 11:33am.
Perform a twotailed hypothesis test on the intrinsic variable AND a twotailed hypothesis test on the extrinsic variable's data using a .05 significance level.
Begin by creating a null and an alternate statement. Use Microsoft Excel to process your data. Copy and paste the results of the output to your report in Microsoft Word. Identify the significance level, the test statistic and the critical value. State whether you are rejecting or failing to reject the null hypothesis statement. Repeat

statistics  MathGuru, Thursday, May 13, 2010 at 2:00pm
A twotailed test means that the results could be in either tail of the distribution curve. For example, if you are doing a twotailed ztest at .05 level of significance, the critical or cutoff values to reject the null would be z = + or  1.96. If the test statistic exceeds the critical value in either tail (+ or ), then the null is rejected in favor of the alternate hypothesis. If the test statistic does not exceed the critical value in either tail (+ or ), then the null cannot be rejected.
I hope this will help.
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