P-values and significance tests
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true or false?If the p-value is 0.003 and the level of significance, αα, is 0.05 in a hypothesis test for a mean, then we reject the null hypothesis.
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Comparing P-value from t statistic to significance level
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Comparing P-value from t statistic to significance level
Feb 21, 2018
Khan Academy
a. Assume that we want to use a 0.05 significance level to test the claim that p1 < p2 . Which is better: A hypothesis test or a confidence interval? b. In general, when dealing with inferences for two population proportions, which two of the following are equivalent: confidence interval method; P -value method; critical value method? c. If we want to use a 0.05 significance level to test the claim that p1 < p2, what confidence level should we use? d. If we test the claim in part (c) using the s
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