(Data file: Minn Water) In the Minnesota water use data, suppose the response is log(irr Use), the logarithm of the amount of water used in irrigation of crops, and the regressors are ag...

(Data file: Minn Water) In the Minnesota water use data, suppose the response is log(irr Use), the logarithm of the amount of water used in irrigation of crops, and the regressors are ag Precipitation, Year, and log(state Pop). Compute RX X1 2 2 , , selecting each of the three variables in turn as the focal regressor, and summarize your findings.

(Data file: UN11) With the United Nations data, use life Exp F as the response, and log(ppg dp), fertility, and pct Urban as regressors, compute the collinearity measure assuming each of these three is the focal predictor in turn, and summarize results.