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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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Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64 2 inches. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. (b) Suppose the P-value for this test is 0.17. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an α = 0.05 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today OA. Ho μ-64 2 in. versus H₁ μ> 64.2 in. OC. Ho H=64.2 in. versus H₁ μ< 64 2 in. OE. Ho μ-63.7 in versus H₁, H<63.7 in. OB. Ho μ-63.7 in versus H₁ μ#63 7 in D. Ho H=64.2 in. versus H₁ µ‡ 64 2 in. OF. Ho μ= 63.7 in. versus H₁ μ> 63.7 in.
Transcribed Image Text:Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64 2 inches. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. (b) Suppose the P-value for this test is 0.17. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an α = 0.05 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today OA. Ho μ-64 2 in. versus H₁ μ> 64.2 in. OC. Ho H=64.2 in. versus H₁ μ< 64 2 in. OE. Ho μ-63.7 in versus H₁, H<63.7 in. OB. Ho μ-63.7 in versus H₁ μ#63 7 in D. Ho H=64.2 in. versus H₁ µ‡ 64 2 in. OF. Ho μ= 63.7 in. versus H₁ μ> 63.7 in.
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