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8 Cards in this Set
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HYPOTHESIS TEST(or test of significance)
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is a procedure for testing a claim about a property of a population.
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CRITICAL REGION(or rejection region)
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is the set of all values of the test statistic that cause us to reject the null hypothesis.
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SIGNIFICANCE LEVEL
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is the probability that the test statistic will fall in the critical region when the null hypothesis is actually true.
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CRITICAL VALUE
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is any value that separates the critical region from the values of the tst statistic that do not lead to rejection of the null hypothesis
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P-VALUE
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is the probability of getting a value of the test statistic that is at least as extreme as the one representing the sample data, assuming that the null hypothesis is true.
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POWER
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a hypothesis test is the probability(1-beta)of rejecting a false null hypothesis
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ALPHA
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probability of a type I error ( rejection of a null hypothesis when it is true)
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BETA
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probability of a type II error (failing to reject a null hypothesis when it is true)
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