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Name: A researcher has tested the hypotheses H0: ?μ = 69 versus H1: ?μ < 69
Uploaded: 2024-03-20T07:07:12.000Z
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Description: A researcher has tested the hypotheses H0: ?μ = 69 versus H1: ?μ < 69 at a 5% level of significance. Here ?μ denotes the average height (in inches) of an adult male resident of the United States. In order to test these hypotheses the researched ob

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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A researcher has tested the hypotheses H0: ?μ = 69 versus H1: ?μ < 69 at a 5% level of significance. Here ?μ denotes the average height (in inches) of an adult male resident of the United States. In order to test these hypotheses the researched obtained a random sample of 400 heights for adult males. The sample average height is 68.5 inches and the sample standard deviation is 5 inches. Compute the p-value.

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