Table 5 ANOVA for response surface quadratic Model.

From: Optimization of photochemical decomposition of aniline in aqueous solutions and assessment of effluent toxicity using Pseudomonas aeruginosa ATCC 27853

Source

Sum of Square

df

Mean Square

F Value

p-value

Prob > F

Model

555.95

14

39.71

93.64

< 0.0001

significant

A

4.43

1

4.43

10.45

0.1936

 

B

0.79

1

0.79

1.85

< 0.0001

C

95.52

1

95.52

225.26

< 0.0001

D

0.27

1

0.27

0.63

0.4396

AB

2.33

1

2.33

5.48

0.0334

AC

0.11

1

0.11

0.25

0.6250

AD

0.28

1

0.28

0.65

0.4327

BC

0.051

1

0.051

0.12

0.7345

BD

5.625E-003

1

5.625E-003

0.013

0.9098

CD

0.051

1

0.051

0.12

0.7345

A2

2.09

1

2.09

4.93

0.0422

B2

257.08

1

257.08

606.23

< 0.0001

C2

3.14

1

3.14

7.41

0.0157

D2

0.22

1

0.22

0.51

0.4873

Residual

6.36

15

0.42

  

Lack of Fit

4.61

10

0.46

1.31

0.4029

not significant

Pure Error

1.75

5

0.35

  

Cor Total

562.31

29