References Mailings Review View Tell me what you want to do Age 1 Abiedle Abbcode AaBbcc AaBbccdt Aalbo Normal No Space Heading! Heading 11 16 Molina Company has several automobiles that have been purchased for used by their sales staff. The company has been keeping careful track of the mileage and total cost for each auto per month. The controller has collected this data and run a simple regression analysis using it. The following is a portion of the output: Regression Statistics Multiple R 0.679819199 RSquare 0.660045662 Adjusted R Square 0.65505137 Standard Error 95.47032698 Observations 10 Coefficients Intercept 2541666667 mileage 120.8333333 Standard Error 92.23309842 8.71520861 Stot 7 mileage Line Fit Plot mileage Residual Plot 400 10 5000 4000 2000 0 cost ry I Predicted cost 15 20 5 10 15 20 -200 mileage a) What is the t-Stat for the b-coefficient? (1 mark) [] b) What is the cost function for mileage and automobile costs (1 mark) 20 FD # 3 % 5 & * 4 6 7 oc