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Concept explainers
Hypothesis Tests and Confidence Intervals for Hemoglobin
a. Exercise2 includes a confidence interval. If you use the P-value method or the critical value method from Part 1 of this section to test the claim that women and men have the same
b. In general, if you conduct a hypothesis test using the methods of Part 1 of this section, will the P-value method, the critical value method, and the confidence interval method result in the same conclusion?
c. Assume that you want to use a 0.01 significance level to test the claim that the mean hemoglobin level in women is less than the mean hemoglobin level in men. What confidence level should be used if you want to test that claim using a confidence interval?
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Chapter 9 Solutions
Elementary Statistics (13th Edition)
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