Question: In Problem 3.12, you were asked to fi t a model to the clathrate formation data in Table B.8 . a. Construct a normality plot

In Problem 3.12, you were asked to fi t a model to the clathrate formation data in Table B.8 .

a. Construct a normality plot of the residuals from the full model. Does there seem to be any problem with the normality assumption?

b. Construct and interpret a plot of the residuals versus the predicted response.

c. In Problem 3.12, you were asked to fi t a second model. Compute the PRESS statistic for both models. Based on this statistic, which model is most likely to provide better predictions of new data?

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