question archive Assume that the systolic blood pressure among adult men is normally distributed with µ = 140
Assume that the systolic blood pressure among adult men is normally distributed with µ = 140
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Assume that the systolic blood pressure among adult men is normally distributed with µ = 140. A holistic physician wants to test the claimed effect of practicing Tai Chi on lowering blood pressure. She randomly selects a sample of 25 adult men to practice Tai Chi for one hour per day for two weeks. She measures the systolic blood pressure for this sample and reports = 135 with s = 15. Do the data support the claim that practicing Tai Chi can lower blood pressure, using α = .05? Please show the four-step hypothesis test.
