Regress Y against X1, X2, and X3 with the following sample data: a. What is the regression
Question:
Regress Y against X1, X2, and X3 with the following sample data:
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a. What is the regression equation?
b. Change the first observation of X3 from 8.00 to 9.00. Repeat the regression.
What is the new regression equation?
c. Compare the old and the new regression equations. Does the comparison prove multicollinearity in the data? What is your suggestion for getting rid of the multicollinearity?
d. Looking at the results of the original regression only, could you have figured out that there is a multicollinearity problem? How?
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a Y 11031 041869 X1 72579 X2 37181 X3 Multiple Regression Results 0 1 2 3 4 5 6 7 8 9 Intercept X1 X...View the full answer
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Related Book For 
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
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