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Mathematics, 18.02.2020 19:37 buddyshaw76
From a random sample of 50 people, sitting pulse rates and standing pulse rates were measured for each person. A coin was flipped to determine whether the sitting or the standing pulse rate would be measured first. Let μsitting represent the mean sitting pulse rate in the population, μstanding represent the mean standing pulse rate of the population, and μd represent the mean difference between the sitting and standing (sitting – standing) pulse rates of the population. Which of the following represents an appropriate test and hypotheses to determine if there is a difference in mean pulse rates between sitting and standing in the population?1. A two-sample t-test withH0 : μsitting = μstandingHA : μsitting ≠ μstanding2. A two-sample t-test withH0 : μsitting = μstandingHA : μsitting < μstanding3. A matched-pairs t-test withH0 : μd = 0HA : μd ≠ 04. A matched-pairs t-test withH0 : μd = 0HA : μd < 0
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From a random sample of 50 people, sitting pulse rates and standing pulse rates were measured for ea...
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