regression equation
5.The concrete strengths predicted by the optimum regression equation were compared with the actual value; the optimum regression equation can predict concrete strength perfectly.
6.The multiple correlation coefficient was 0.984 and a-level was 0.01. The result of test on the regression equation suggested the significance of multiple regression and the reliability of regression equation.
8.STUDY ON RELATIVITY OF PETROLEUM REFINING WASTE WATER TOC REGRESSION EQUATION AND COD
10.the relation between variables when the regression equation is nonlinear (quadratic or higher order).

