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(a) Test the hypothesis that Ho: 2-Hi = 0 versus H1: uz-Hi #0 at a significance level of 0.03. (b) Estimate P-value for the test. (Hint: It is easy to use online calculator to get P-value) (c) Construct a 97% confidence interval for the mean difference of the above data.

(a) Test the hypothesis that Ho: 2-Hi = 0 versus H1: uz-Hi #0 at a significance level of 0.03. (b) Estimate P-value for the test. (Hint: It is easy to use online calculator to get P-value) (c) Construct a 97% confidence interval for the mean difference of the above data.

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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3.A new thermal treatment process was designed to improve an Aluminum-Magnesium alloy in the auto industry. The company management decided to check the new treatment of metal alloys by comparing the specimens before treatment with after treatment. Eight specimens were selected for the test, and the results are listed below. Before After treatment Difference (a) Test the hypothesis that Ho: H2-H1 = 0 versus H1: µz-Hi #0 at a significance level of 0.03. treatment Data Data (d) 6.8 6.6 -0.2 4.4 6.5 2.1 (b) Estimate P-value for the test. (Hint: It is easy to use 7.4 9.0 1.6 online calculator to get P-value) 8.5 7.2 -1.3 8.1 7.9 -0.2 (c) Construct a 97% confidence interval for the mean 6.1 8.1 2.0 difference of the above data. 3.4 6.3 2.9 2.3 2.1 -0.2
Transcribed Image Text:3.A new thermal treatment process was designed to improve an Aluminum-Magnesium alloy in the auto industry. The company management decided to check the new treatment of metal alloys by comparing the specimens before treatment with after treatment. Eight specimens were selected for the test, and the results are listed below. Before After treatment Difference (a) Test the hypothesis that Ho: H2-H1 = 0 versus H1: µz-Hi #0 at a significance level of 0.03. treatment Data Data (d) 6.8 6.6 -0.2 4.4 6.5 2.1 (b) Estimate P-value for the test. (Hint: It is easy to use 7.4 9.0 1.6 online calculator to get P-value) 8.5 7.2 -1.3 8.1 7.9 -0.2 (c) Construct a 97% confidence interval for the mean 6.1 8.1 2.0 difference of the above data. 3.4 6.3 2.9 2.3 2.1 -0.2
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