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Use the output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05? O X1 and X2 O None X1, X12, and X1X2 O X2

Use the output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05? O X1 and X2 O None X1, X12, and X1X2 O X2

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 output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05? O X1 and X2 O None X1, X1?, and X1X2 X2
Transcribed Image Text:Use the output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05? O X1 and X2 O None X1, X1?, and X1X2 X2
Full Model Y = Bo + B1X1 + B2X2 + B;X1² + B4X2? + BsX,X2 + ɛ ANOVA Source Df SS MS F Regression 239.35 47.87 ????? Error 4 38.85 9.71 Total 278.20 Coefficients Parameter Estimate Standard Error Test Statistic P value Intercept X1 -36.36 53.8 -0.68 0.536 2.21 15.2 0.63 1.39 10.12 0.536 X2 0.66 0.544 X1² X22 -0.002 0.02 -0.10 0.923 -0.47 -0.28 0.99 -0.47 0.663 ΧΙX2 0.34 -0.82 0.467
Transcribed Image Text:Full Model Y = Bo + B1X1 + B2X2 + B;X1² + B4X2? + BsX,X2 + ɛ ANOVA Source Df SS MS F Regression 239.35 47.87 ????? Error 4 38.85 9.71 Total 278.20 Coefficients Parameter Estimate Standard Error Test Statistic P value Intercept X1 -36.36 53.8 -0.68 0.536 2.21 15.2 0.63 1.39 10.12 0.536 X2 0.66 0.544 X1² X22 -0.002 0.02 -0.10 0.923 -0.47 -0.28 0.99 -0.47 0.663 ΧΙX2 0.34 -0.82 0.467
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