Table 2.

ANOVA analysis for EPS production from Pseudomonas alcaligenes Med1.

Source	Sum of squares	df	Mean square	F value	p-value Prob > F
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

Where df = degree of freedom, Cor Total = Corrected Total Sum of Squares, PRESS = prediction error sum of squares.