naruto63
31.03.2020 •
Mathematics
1. A researcher tested the diastolic blood pressure of 15 marathon runners and 15 non-runners. The mean for the runners was 75.9 mm Hg with an SS of 1,500, and the mean for the nonrunners was 80.3 mm Hg with an SS of 8. Is running a good way to lower a person’s blood pressure?
a. Test the null hypothesis at the .05 level
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Ответ:
h - 2 (multiply by -1)
Hope I helped!