Question: 9.2 Consider the Hald cement data in Table B.21. a. From the matrix of correlations between the regressors, would you suspect that multicollinearity is

9.2 Consider the Hald cement data in Table B.21. a. From the matrix of correlations between the regressors, would you suspect that multicollinearity is

9.2 Consider the Hald cement data in Table B.21. a. From the matrix of correlations between the regressors, would you suspect that multicollinearity is present? b. Calculate the variance inflation factors.

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