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If you look at the table, a one sided at 95 gives the same t value as a two sided at 90.

For this reason, the p-value for a one sided 5% sig will never be the same as a two-sided at 5% sig.



Edited 1 time(s). Last edit at Thursday, June 2, 2011 at 11:16AM by CFA_Chap.

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