Skip to main content

Table 6 ANOVA for response surface quadratic model

From: Antioxidant potential and optimization of production of extracellular polysaccharide by Acinetobacter indicus M6

Source Sum of squares df Mean square F-value p-value Prob > F  
Model 15.38 9 1.71 154.37 <  0.0001 Significanta
A-glucose 0.21 1 0.21 18.73 0.0015  
B-yeast extract 0.01 1 0.01 0.92 0.3589
C-MgSO4 0.07 1 0.07 6.22 0.0318
AB 0.00 1 0.00 0.14 0.7194
AC 0.14 1 0.14 12.92 0.0049
BC 0.05 1 0.05 4.48 0.0604
A2 0.95 1 0.95 85.92 <  0.0001
B2 4.15 1 4.15 374.61 <  0.0001
C2 0.04 1 0.04 3.18 0.1048
Residual 0.11 10 0.01   
Lack of fit 0.09 5 0.02 4.95 0.0519 Not significant
Pure error 0.02 5 0.00    
Cor total 15.50 19    
  1. aIf p-value of a parameter is < 0.05, the effect of that parameter is significant