Question: Hypothesis Tests and Confidence Intervals for Hemoglobin a. Exercise 2 includes a confidence interval. If you use the P-value method or the critical value method

Hypothesis Tests and Confidence Intervals for Hemoglobin

a. Exercise 2 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 mean hemoglobin levels, will the hypothesis tests and the confidence interval result in the same conclusion?

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 amount in women is less than the mean hemoglobin amount in men. What confidence level should be used if you want to test that claim using a confidence interval?

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