Concept explainers
a.
Find the
b.
Find a
c.
Find the VIF s for the four predictor variables in the
d.
Give an assessment of the severity of the multicollinearity problem in the given regression analysis for all four predictor variables.
e.
Eliminate the predictor variable having the largest VIF and find the VIF s for the remaining three predictor variables in the regression analysis that includes all three predictor variables.
f.
Give an assessment of the severity of the multicollinearity problem in the given regression analysis for the three predictor variables.
g.
Compare the VIF s in part (c) with those in part (e) and explain the effect of removing the predictor variable with the largest VIF.
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Introductory Statistics (10th Edition)
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