Source Coefficient Estimate Sum of squares Df F-value P-value Prob>F
Intercept(β0) 69.22        
Model   1710.06 5 36.17 0.5473**
X11) -8.28 410.85 1 15.28 0.03417*
X22) 0.11 0.073 1 137.56 0.9896**
X1 X23) 4.43 78.41 1 1.43 0.6693**
X124) -5.10 71.83 1 0.30 0.6825**
X225) -16.91 790.21 1 20.50 0.2001**
*Significant; ** not significant; lack of fit is significant at P value >0.05
Table 6: ANOVA of LC for FIR drying of tomato slices by response surface quadratic model.