A study was conducted to predict the ability of economist and financial specialist on the future performance of their country's economy. Below is part of computer output result produced using statistical software. Variables Coefficient Standard error Constant XI X2 Required: (1) Source Regression Error (residual) Total (iii) (iv) (v) 0.983 B 0.587 (vi) 2 Parameter estimates. 11 13 A 0.257 0.225 Degrees of freedom Sum of squares 2904.8 100.1 t-ratio 0.34 2.42 2.61 Analysis of variance (ANOVA) Compute the values of A, B, C, D and E. The estimated regression model. Explain the coefficient of parameter estimates Mean of square D 9.1 F-value E (5 marks) (2 marks) (6 marks) The explanatory power of the model. (3 marks) Test the statistical of each of the predictor variables; X1 and X2(use a significant level of 5%) (3 marks) Comment on the statistical significant of the model at 5% significant level given that the F-tables values 3.98. (2 marks)