Table 3.

Analysis of variance for fitted quadratic model for optimization of biomass production from B. bassiana

Source	Sum of square	DF	Mean square	F value	Prob > F
Model	2.98	20	0.15	109.37	<0.0001
Residual	0.039	29	1.361 × 10−3
Lack of fit	0.035	22	1.599 × 10−3	2.61	0.0978
Pure error	4.292 × 10−3	7	6.131 × 10−4
R 2 = 0.9869
Adeq precision = 42.08
Adj R 2 = 0.9779