I have completed the provide JMP, but I don't know how to use it to answer the questions. Can you help?

{3.) {3 points) Report the least squares regressim equation {b} {4 points) Show all four steps for testing Ho: ,3; = (I w. Hg :31 a5 0 (c) {3 points) If you were to predict the retail price of a car using horsepm'er as the predictor. about haw far away would you expect your prediction to be from an observed value? Explain. Cars JMP Output -Bivariate Fit of SuggestedRetailPrice By Horsepower 120000 100000 80000 SuggestedRetail Price 60000 40000 20000 50 100 150 200 250 300 350 400 450 500 Horsepower - Linear Fit Linear Fit SuggestedRetailPrice = -10546.13 + 197.89293*Horsepower Summary of Fit ASquare 0.771197 ASquare Adj 0.769539 Root Mean Square Error 7742.946 Mean of Response 31959.86 Observations (or Sum Wgts) 140 * Lack Of Fit * Analysis of Variance Parameter Estimates Term Estimate Std Error t Ratio Probelt) Intercept -10546.13 2076.676 -5.08 <.0001 horsepower residual by x plot suggested retailprice>