Question: Using data from NHANES, we looked at pulse rates of nearly 800 people to see whether men or women tended to have higher pulse rates.
a. Report the sample means, and state which group had the higher sample mean pulse rate.
b. Use the Minitab output to test the hypothesis that pulse rates for men and women are not equal, using a significance level of 0.05. The samples are large enough so that Normality is not an issue.
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Two-Sample T-Test and Cl: Pulse, Sex Two-aample T for Pulae Sex Female Male 384 372 Mean 76.3 72.1 StDev 12.8 13.0 SE Mean 0.65 0.67 Difference Female) -(Male) Eatimate for difference: 4.248 95% CI for difference: (2.406, 6.090) T-Test of difference = 0 (v *): T-Value = 4.53 P-Value0.000 DP = 752
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a The womens sample mean pulse rate of 763 was higher th... View full answer
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