Question: Using the lm function, perform a multiple regression model with mpg as the response and year and origin as the predictors,

Using the

"

"

function, perform a multiple regression model with

"

mpg

"

as the response and "year" and "origin" as the predictors, and print the results using the "summary" function. This task requires two lines of codes which are very similar to the last two lines in Question

1 .

What is the residual standard error of the model? Give your answer to

2

decimal places.

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