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Use the Statistical Power applet to find the power of the two-sided test against the alternative μ = 134 mm Hg. Provide your answer to three decimal places.

Use the Statistical Power applet to find the power of the two-sided test against the alternative μ = 134 mm Hg. Provide your answer to three decimal places.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Use the Statistical Power applet to find the power of the two-sided test against the alternative μ = 134 mm Hg. Provide your answer to three decimal places. Power = 0.9236 Incorrect
Transcribed Image Text:Use the Statistical Power applet to find the power of the two-sided test against the alternative μ = 134 mm Hg. Provide your answer to three decimal places. Power = 0.9236 Incorrect
Side-by-Side The National Center for Health Statistics reports that the systolic blood pressure for males 35 to 44 years of age has mean 128mm Hg and standard deviation 15 mm Hg. The medical director of a large company looks at the medical records of 72 executives in this age group and finds that the mean systolic blood pressure in this sample is x = 126.07 mm Hg. At a 5% significance level, the data fail to show significant evidence that the mean blood pressure of a population of executives differs from the national mean μ = 128 mm Hg. The medical director now wonders if the test used would detect an important difference if one were present.
Transcribed Image Text:Side-by-Side The National Center for Health Statistics reports that the systolic blood pressure for males 35 to 44 years of age has mean 128mm Hg and standard deviation 15 mm Hg. The medical director of a large company looks at the medical records of 72 executives in this age group and finds that the mean systolic blood pressure in this sample is x = 126.07 mm Hg. At a 5% significance level, the data fail to show significant evidence that the mean blood pressure of a population of executives differs from the national mean μ = 128 mm Hg. The medical director now wonders if the test used would detect an important difference if one were present.
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