QUESTION 6 (Short-Answer) Based on the following multiple regression outputs, answer the questions. ANOVA df SS MS F Significance F Regression 2.00 72.66 ? Residual 4.00 12.11 Total 6.00 Coefficients Standard Error t Stat P.value Lower 95% JE Intercept 78.14 4.30 18.18 0.00 66.20 X1 5.03 0.83 6.09 0.00 2.74 X2 -0.57 0.87 -0.65 0.55 -1.85 (@). Predict the value of y when X1-4 and X2-10 (4 points) (b). What is the value of R2? (4 points) (c). What is the value of F test statistic? (4 points)