SOURCE Degrees of Freedom SS MSS Fc values Individual X1 4 0.2407 0.060175 0.49979 X2 4 1.1296 0.2824 2.3455 X3 4 18.0184 4.5046 37.4** Linear X1, X2, X3 3 14.3334 4.7778 39.68** Quadratic X12, X22, X32 3 4.5555 1.5185 12.6** Interactive X1X2, X1X3, X2X3 3 0.2499 0.8033 6.67** F(4,17,0.01) = 4.67, F(4,17,0.05) = 2.97, F(3,17,0.01) = 5.19, F(3,17. 0.05) =3.20 Significant at: **F<0.01 *F<0.05

Table 16: ANOVA for total effect of individual parameter, linear, interactive and square terms on Over-All Acceptability for different samples.