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Table 4 ANOVA for removal of TC

From: A chemometric approach based on response surface methodology for optimization of antibiotic and organic dyes removal from water samples

Source

Sum of squares

DF*

Mean square

F-value

p-value

 

Model

13746.47

14

981.89

1643.04

 < 0.0001

Significant

A

851.77

1

851.77

1425.30

 < 0.0001

Significant

B

25.87

1

25.87

43.29

 < 0.0001

Significant

C

117.31

1

117.31

196.30

 < 0.0001

Significant

D

212.69

1

212.69

355.90

 < 0.0001

Significant

AB

188.93

1

188.93

316.14

 < 0.0001

Significant

AC

2469.59

1

2469.59

4132.49

 < 0.0001

Significant

AD

4.16

1

4.16

6.96

0.0194

Not significant

BC

1083.73

1

1083.73

1813.45

 < 0.0001

Significant

BD

577.20

1

577.20

965.86

 < 0.0001

Significant

CD

220.67

1

220.67

369.26

 < 0.0001

Significant

A2

4106.66

1

4106.66

6871.86

 < 0.0001

Significant

B2

4236.60

1

4236.60

7089.31

 < 0.0001

Significant

C2

22.42

1

22.42

37.52

 < 0.0001

Significant

D2

1936.67

1

1936.67

3240.72

 < 0.0001

Significant

Residual

8.37

14

0.5976

   

Lack of Fit

4.49

10

0.4489

0.4632

0.8524

Not significant

Pure Error

3.88

4

0.9693

   

Cor Total

13754.84

28

    

R2 = 0.9994

Adjusted R2 = 0.9988

 

Predicted R2 = 0.9977

 

Adeq-Precision = 121.71

 
  1. *Degree of freedom
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BMC Chemistry

ISSN: 2661-801X

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