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StatisticsCh9.2

# StatisticsCh9.2 - Two Tailed Test H 1 parameter not equal...

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Stats: Type of Tests This document will explain how to determine if the test is a left tail, right tail, or two-tail test. The type of test is determined by the Alternative Hypothesis ( H 1 ) Left Tailed Test H 1 : parameter < value Notice the inequality points to the left Decision Rule: Reject H 0 if t.s. < c.v. Right Tailed Test H 1 : parameter > value Notice the inequality points to the right Decision Rule: Reject H 0 if t.s. > c.v.
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Unformatted text preview: Two Tailed Test H 1 : parameter not equal value Another way to write not equal is < or > Notice the inequality points to both sides Decision Rule: Reject H if t.s. < c.v. (left) or t.s. > c.v. (right) The decision rule can be summarized as follows: Reject H if the test statistic falls in the critical region (Reject H if the test statistic is more extreme than the critical value)...
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