Table E12-11 presents quarterback ratings for the 2008 National Football League season (The Sports Network). (a) Fit

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Table E12-11 presents quarterback ratings for the 2008 National Football League season (The Sports Network).

(a) Fit a multiple regression model to relate the quarterback

rating to the percentage of completions, the percentage of

TDs, and the percentage of interceptions.

(b) Estimate σ2.

(c) What are the standard errors of the regression coefficients?

(d) Use the model to predict the rating when the percentage of

completions is 60%, the percentage of TDs is 4%, and the

percentage of interceptions is 3%.

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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