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Results: The population mean of systolic blood pressure of males in the US between the years 1980 to 2008 was 126.414 mmHg while the mean for females was only 121.483 mmHg.

Discussion and Conclusion: Appendix:

H 0 : The mean systolic blood pressure of men is equal to that of women women H a : The mean systolic blood pressure of men is not equal to that of women H 0 : μ 1 = μ 2 H a : μ 1 ≠ μ 2

Standard Statistic: Bootstrap Distribution: R Code :