Multiple regression equation. Given the computer output from a regression analysis, write the regression equation, describe the variables, and decide of some of the variables should be eliminated from the equation.
Thompson Machine Works purchased several new, highly sophisticated machines. The production department needed some guidance with respect to qualifications needed by an operator. Four variables were listed. X1 = Length of time employee was a machinist X2 = Mechanical aptitude test score X3 = Prior on -the-job rating X4 = A