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Table 5 ANOVA table for transesterification process

From: Process optimization of Calophyllum inophyllum-waste cooking oil mixture for biodiesel production using Donax deltoides shells as heterogeneous catalyst

Source Sum of Squares df Mean Square F-value p-value  
Model 8140.50 9 904.50 151.37 <  0.0001 significant
A-Catalyst concentration 155.87 1 155.87 26.09 0.0005  
B-Methanol to oil ratio 1578.11 1 1578.11 264.10 <  0.0001  
C-Reaction time 333.72 1 333.72 55.85 <  0.0001  
AB 166.44 1 166.44 27.85 0.0004  
AC 23.91 1 23.91 4.00 0.0734  
BC 2568.65 1 2568.65 429.87 <  0.0001  
A2 3281.85 1 3281.85 549.23 <  0.0001  
B2 0.1106 1 0.1106 0.0185 0.8945  
C2 12.20 1 12.20 2.04 0.1835  
Residual 59.75 10 5.98    
Lack of Fit 59.04 5 11.81 82.63 <  0.0001  
Pure Error 0.7145 5 0.1429    
Cor Total 8200.25 19     
  1. R2–0.9927; Adj. R2–0.9862; Pred. R2–0.9349