Optimization of Cultural Conditions for Bacillus megaterium Cultured in Agaricus bisporus Industrial Wastewater

Table 6

Analysis regression and variance results in Box-Behnken design.

Source	Sum of Squares	df	Mean Squares	F Value	p-value	Significance
					Prob>F
Model	142.05	9	15.78	86.36	<0.0001
X1	15.90	1	15.90	87.02	<0.0001
X2	0.46	1	0.46	2.52	0.1563
X3	18.97	1	18.97	103.81	<0.0001
X1  X2	2.15	1	2.15	11.74	0.0110
X1  X3	0.034	1	0.034	0.19	0.6782
X2  X3	0.038	1	0.038	0.21	0.6621
	28.11	1	28.11	153.80	<0.0001
	28.22	1	28.22	154.39	<0.0001
	37.23	1	37.23	203.73	<0.0001
Residual	1.28	7	0.18
Lack of Fit	0.84	3	0.28	2.52	0.1964
Pure Error	0.44	4	0.11
Cor Total	143.33	16
R^2=0.9911, =0.9796, adequate precision = 26.229, CV = 9.20%

Notes: means significant; means very significant.