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Table 8 Analysis of variance (ANOVA) for the response surface of full quadratic model for optimization of two variables (A, pH; B, Temperature)

From: Significantly enhanced biomass production of a novel bio-therapeutic strain Lactobacillus plantarum (AS-14) by developing low cost media cultivation strategy

Source Sum of Square Degree of freedom Mean Square F-value P-value
A 43.30 1 43.30 38.01 0.0021
B 56.28 1 56.28 51.34 0.0001
AB 5.65 1 5.65 5.16 0.0493
A2 3.45 1 3.45 3.15 0.1096
B2 84.01 1 84.01 76.64 <0.0001
Lack of fit 0.0125 3 0.00291 1.809 0.37651
Pure error 0.041 2 0.096   
Total 192.75 10    
  1. R2: 0.9411 Adjusted R2: 0.9083