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Bulletin of the National Research Centre

Table 2 ANOVA results for the quadratic model

From: Optimization of some fermentation conditions for bioethanol production from microalgae using response surface method

Source

DF

F-value

Prob > F

Model

9

831.63

< 0.0001

A

1

3882.78

< 0.0001

B

1

1702.62

< 0.0001

C

1

153.10

< 0.0001

A2

1

1088.45

< 0.0001

B2

1

23.30

0.0007

C2

1

188.10

< 0.0001

AB

1

54.08

< 0.0001

AC

1

324.27

< 0.0001

BC

1

85.95

< 0.0001

Lack of fit

5

1.93

0.2446

R2

0.998

Adjusted R2

0.997

Predicted R2

0.992

C.V

1.5

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