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Mathematics, 21.12.2019 04:31 groverparham3
As a class research project, rosaura wants to see whether the stress of final exams elevates the blood pressures of freshmen women. when they are not under any untoward duress, healthy eighteen-year-old women have systolic blood pressures that average 120 mm hg with a standard deviation of 12 mm hg. if rosaura finds that the average blood pressure for the fifty women in statistics 101 on the day of the final exam is 125.2, what should she conclude?
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