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# Please show your explanation thanks!   Call:  Im(formula = mpg ~ disp + hp...

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please show your explanation thanks!

  Call:  Im(formula = mpg ~ disp + hp + wt + osec, data = mtcars.train.df)   Residuals: Min 1Q Median  -4.3442 -1.1687 -0.4033 3Q Max 1.0519 5.9623   Coefficients: Estimate Std. Error t value Pr>t)  (Intercept) 31.204891 10.909916 2.860 0.00967 **  disp 0.009432 0.012308 0.766 0.45245  hp -0.032908 0.025528 -1.289 0.21208  wt -4.978374 1.434757 -3.470 0.00242 **  qsec 0.434043 0.576267 0.753 0.46011  ---  Signif. codes: '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1'' 1   Residual standard error: 2.713 on 20 degrees of freedom  Multiple R-squared: 0.8391, Adjusted R-squared: 0.8069  F-statistic: 26.07 on 4 and 20 DF, p-value: 1.094e-07
P1. In the TMATH410_PaperAsgn7Regression Output.pdf document is the summary of the linear model that predicts mileage (mpg) from displacement, horsepower, weight, and quarter-mile time. From this summary, answer the following: a) What proportion of variability in mpg is explained by the model? b) Which of the predictor variables is found to be statistically significant?

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