Left / Right / Two Tailed Test
Left Tailed TestH1: parameter < value Notice the inequality points to the left Decision Rule: Reject H0 if t.s. < c.v. |
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Two Tailed TestH1: parameter not equal value Another way to write not equal is < or > Notice the inequality points to both sides. |
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Right Tailed TestH1: parameter > value Notice the inequality points to the right Decision Rule: Reject H0 if t.s. > c.v. |
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P Value from Z score Formula
