Data on the fuel economy of the sampled cars was also collected [in highway miles per gallon (MPGD. Software output for a multiple to predict car price based on horsepower and fuel economy is provided below: coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 6.75225 5.9266? 1.139 0.253 Horsepower 0.13191 0.01506 8.759 1.09e-13 *** MPG.highway 0.21366 0.14794 1.444 0.152 Residual standard error: 5.942 on 90 degrees of freedom Multiple R-squared: 0.6299, Adjusted R-squared: 0.6216 Fstatistic: 76.58 on 2 and 90 DF, pvalue: