Table 4.

Analysis of variance and coded coefficients for the experimental results of the Box-Behnken design.

Source	DF	Adj SS	Adj MS	F-Value	P-Value
Model	5	319	63.8	49.9	0
Linear	4	283	70.75	55.33	0
Incubation time (day)	1	140.083	140.083	109.55	0
Inoculum size % (v/v)	1	30.083	30.083	23.53	0
Elicitation % (v/v)	1	60.75	60.75	47.51	0
yeast extract (g/l)	1	52.083	52.083	40.73	0
2-Way Interaction	1	36	36	28.15	0
Elicitation % (v/v)*yeast extract (g/l)	1	36	36	28.15	0
Error	21	26.852	1.279
Lack-of-Fit	19	26.185	1.378	4.13	0.212
Pure Error	2	0.667	0.333
Total	26	345.852

Coded Coefficients
Term	Coef	SE Coef	T-Value	P-Value	VIF
Constant	15.074	0.218	69.27	0
Incubation time (day)	3.417	0.326	10.47	0	1
Inoculum size % (v/v)	1.583	0.326	4.85	0	1
Elicitation % (v/v)	−2.25	0.326	−6.89	0	1
yeast extract (g/l)	2.083	0.326	6.38	0	1
Elicitation % (v/v)*yeast extract (g/l)	−3	0.565	−5.31	0	1