Quadratic model
R2
Adjusted R2
Predicted R2
SD
% CV
Response (Y1)
0.9898
0.9898
0.9768
0.027
5.58
Regression equations of the fitted quadratic model
Y1=0.34+0.044X
1
+0.056X
2
+0.22X
3
+0.038X
1
X
2
+0.035X
1
X3+0.032X2X
3
+0.011X
1
²+0.090X
2
² +0.024X
3
²
Table 3:
Summary of results of regression analysis for response Y
1
for fitting to
quadratic model.