Table E12-3 provides the highway gasoline mileage test results for 2005 model year vehicles from DaimlerChrysler. The

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Table E12-3 provides the highway gasoline mileage test results for 2005 model year vehicles from DaimlerChrysler. The full table of data (available on the book€™s Web site) contains the same data for 2005 models from over 250 vehicles from many manufacturers (Environmental Protection Agency Web site www.epa.gov/ otaq/cert/mpg/testcars/database).

car/ truck cid rhp trns drv od co2 mpg mfr carline he etw cmp axle n/v a/c co 20 300C/SRT-8 C 215 253 L5 2 4500 9.9 3.07


(a) Fit a multiple linear regression model to these data to estimate gasoline mileage that uses the following regressors: cid, rhp, etw, cmp, axle, n/v

(b) Estimate σ2 and the standard errors of the regression coefficients.

(c) Predict the gasoline mileage for the first vehicle in the table.

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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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