{13: (25 points) This model regresses Salary in a nancial services company onto education [educ] measured as highest grade level attained in formal education. Fill in the blanks and answer the questions at the end [4 points each except where stated. SEE DESCRIPTWE STATS AT THE END OF 11-IIS QUESTION - YOU MAY NEED IT IN THE QUESTIONS BELOW Regression Analysis: salary versus educ Analysis of Variance Source DF SS MS FValue P Value Regression 1 60178217760 60178217760 365.38 0.000 Error 472 (a) (b) Total 473 1.37916E+11 *** ***NOTE: This number = 1.37916 x 10\"- Model Su-uary S Rsq Rsqladj) Rsqtpred] 43.51% 42.98% (C) ldl Coefficients Term Coef SE Coef TValue PValue VIP Constant 18331 2822 6.50 0.000 educ 3910 205 0.000 1.00 (e) Regression Equation salary = 13331 + 3910 educ f] Calculate the condence interval for the prediction of 'salanr' when educ = 12 [8 points] Continue writing on the back if you need more space. There is also an additional page at the end ofthe exam. 3] Perform a hypothesis test to determine whether the model is usable. Show your work. [6 points]