Question: Consider the air pollution and mortality data given in Table B.15. a. Is there a problem with collinearity? Discuss how you arrived at this decision.

Consider the air pollution and mortality data given in Table B.15.

a. Is there a problem with collinearity? Discuss how you arrived at this decision.
b. Perform a ridge trace on these data.
c. Select a \(k\) based upon the ridge trace from part \(b\). Which estimates of the coefficients do you prefer for these data, ridge or OLS? Justify your answer.

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