Concept explainers
a.
Construct a table of sample regression coefficients and discuss the changes in the regression coefficients as the regression equation changes to include different subsets of predictor variable.
b.
Construct a table of estimated standard deviations and discuss the changes in the standard deviation as the regression equation changes to include different subsets of predictor variable.
c.
Construct a table of t-statistics and discuss the changes in the standard deviation as the regression equation changes to include different subsets of predictor variable.
d.
Construct a table of VIF and discuss the changes in the standard deviation as the regression equation changes to include different subsets of predictor variable.
e.
Give an assessment of the severity of the multicollinearity problem in the given
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