Below you are given a partial computer output from a multiple regression analysis based on a sample of 16 observations. Coefficients Standard Error Constant 12. 824 4. 425 X 1 -7. 882 2.630 45. 216 13.702 Analysis of Variance Source of Degrees of Sum of Mean F Variation Freedom Squares Square Regression 4853 2426.5 Error 485.3 Develop an estimated multiple regression equation. Do not round. V=