Table 2 ANOVA analysis for EPS production from Pseudomonas alcaligenes Med1.

Model

90.8741

14

6.491005119

160.6264757

< 0.0001

Significant

A- Carbon source

1.1137

1

1.113704167

27.55973412

< 0.0001

B- Nitrogen source

6.15094

1

6.1509375

152.2111591

< 0.0001

C- pH

74.6595

1

74.6595375

1847.52564

< 0.0001

D- Bacterial concentration

0.2262

1

0.226204167

5.597650504

0.0319

AB

2.05206

1

2.05205625

50.78020388

< 0.0001

AC

0.08266

1

0.08265625

2.045412365

0.1732

AD

0.16606

1

0.16605625

4.109229574

0.0608

BC

3.75391

1

3.75390625

92.8942005

< 0.0001

BD

0.20026

1

0.20025625

4.955543106

0.0418

CD

0.02806

1

0.02805625

0.694280235

0.4178

A²

1.5E-05

1

1.45833E-05

0.000360879

0.9851

B²

2.06644

1

2.066436012

51.13604561

< 0.0001

C²

0.05076

1

0.050764583

1.256220872

0.2800

D²

0.06659

1

0.066586012

1.647738097

0.2187

Residual

0.60616

15

0.040410556

Lack of fit

0.54703

10

0.0547025

4.625352311

0.0524

Not significant

Pure error

0.05913

5

0.011826667

Cor total

91.4802

29

Standard Deviation

0.20

Mean

3.007

Coefficient of variation (%)

6.68

PRESS

3.23

R²

0.9933

Adjusted R²

0.987

Predicted R²

0.964

Adequate precision

49.63