Posted by Jay on Tuesday, February 14, 2012 at 9:22pm.
How is the rejection region defined and how is that related to the zscore and the p value? When do you reject or fail to reject the null hypothesis? Why do you think statisticians are asked to complete hypothesis testing? Can you think of examples in courts, in medicine, or in your area?

statistics  PsyDAG, Wednesday, February 15, 2012 at 11:24am
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statistics  Lacinda, Monday, October 15, 2012 at 1:18pm
I hope this helps. Acceptance or rejection of the null hypothesis depends on what level of significance you are using (e.g., P¡Ü.05, P¡Ü.01) and whether you are using a onetailed or twotailed test. If the Z score has that probability or less, reject the null hypothesis. If not, accept the null hypothesis.
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