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Table 3 The analysis of variance (ANOVA) for the fitted quadratic polynomial model of laccase@CKMB

From: The study of laccase immobilization optimization and stability improvement on CTAB-KOH modified biochar

Source

Sum of Squares

df

Mean Square

F-value

p-value

 

Model

1879.61

9

208.85

98.88

<  0.0001

significant

A

3.73

1

3.73

1.76

0.2258

 

B

40.73

1

40.73

19.28

0.0032

 

C

73.87

1

73.87

34.97

0.0006

 

AB

0.2756

1

0.2756

0.1305

0.7286

 

AC

6.89

1

6.89

3.26

0.1138

 

BC

30.80

1

30.80

14.58

0.0066

 

A2

320.16

1

320.16

151.58

<  0.0001

 

B2

403.76

1

403.76

191.16

<  0.0001

 

C2

827.92

1

827.92

391.98

<  0.0001

 

Residual

14.79

7

2.11

   

Lack of Fit

7.64

3

2.55

1.42

0.3595

not significant

Pure Error

7.15

4

1.79

   

Cor Total

1894.39

16