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Mathematics, 09.07.2019 03:10 anthonygeorge7
In the american heart association journal hypertension, researchers report that individuals who practice transcendental meditation (tm) lower their blood pressure significantly. if a random sample of 225 male tm practitioners meditate for 8.5 hours per week with a standard deviation of 2.25 hours, does that suggest that, on average, men who use tm meditate more than 8 hours per week? quote a p-value in your conclusion.
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Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
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Mathematics, 21.06.2019 20:30
Is the point (0, 8) on the x-axis or y-axis? how do you know?
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