Please help me to solve it, just an answer will make sense, thank you!

Assume you are following the game plan we talked about in class. So far, you tested both the quadratic and interaction terms and ended up looking at this printout. State whether it is appropriate or inappropriate to test the variables listed below: Least Squares Linear Regression of Price Predictor Variables Coefficient Std Error VIF Constant 19674.0 1033.95 19.03 0. 0090 0.0 Mileage -0. 11410 0.04260 -2.68 0. 0102 15 .2 Model 1221.30 667 . 169 1.63 0. 1136 1.0 R2 0.6358 Mean Square Error (MSE) 5518552 Adjusted R2 0.6120 Standard Deviation 2349.16 AICC 783 .38 PRESS 2.93E+08 Source DF 55 MS Regression 3 4.432E+08 1.477E+08 26.77 0. 0090 Residual 46 2.539E+08 5518552 Total 49 6.970E+08 Lack of Fit 43 2. 334E+08 5426823 0.79 0. 6997 Pure Error 2.050E+07 6833333 Cases Included 50 Missing Cases Mileage [ Choose ] Model [ Choose ) [ Choose Appropriate Inappropriate