Men Women A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two u samples are independent simple random samples selected from normally distributed populations, and do not assume n that the population standard deviations are equal. Complete parts (a) and (b) below. 11 59 97.47 F 0.73 F 97.68"F 0.92 F a. Use a 0.05 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? OA. Hg: H "P2 OB. Ho: "H2 OC. Hg: H 2P2 D. Ho: *H2 The test statistic, t, is (Round to two decimal places as needed.) The P-value is O (Round to three decimal places as needed.) State the conclusion for the test. O A. Reject the null ypothesis. There is not sufficient evidence to support the claim that men have a higher mean body temperature than women. O B. Reject the null hypothesis. There is sufficient evidence to support the claim that men have a higher mean body temperature than women. O. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that men have a higher mean body temperature than women. OD. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that men have a higher mean body temperature than women. b. Construct a confidence interval suitable for testing the claim that men have a higher mean body temperature than women. (Round to three decimal places as needed.) Does the confidence interval support the conclusion found with the hypothesis test? because the confidence interval contains

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