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We use the simulated Carseats data in ISLR book and run the following multiple linear regression model: Sales = Bo + BiPrice + ByCompPrice +

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We use the simulated Carseats data in ISLR book and run the following multiple linear regression model: Sales = Bo + BiPrice + ByCompPrice + ByAdvertising + BAPopulation + e The regression output is provided below. > summary (1m(Sales-Price+ CompPrice+Advertising+ Population, data=Carseat s) ) Call : Im(formula = Sales - Price + CompPrice + Advertising + Population, data = Carseats) Residuals: Min 10 Median 3Q Max -5. 8336 -1. 4871 -0. 1367 1. 1841 5.5416 coefficients: Estimate Std. Error t value Pr(>|:1) (Intercept) 5. 1791845 0. 9028415 5.737 1.92e-08 .# Price -0. 0908536 0.0054694 -16.611

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