Optimization of the Fermentation Process of Actinomycete Strain Hhs.015^T

Table 9

Analysis of variance for the quadratic model.

Source	D	S	M
Regression	20	1448.98	72.449	8.04	.001*
Linear	5	502.68	100.535	11.15	.001*
Square	5	792.43	158.485	17.58	.000*
Interaction	10	153.88	15.388	1.71
Residual Error	11	99.16	9.015
Lack-of-Fit	6	90.89	15.148	9.15
Pure Error	5	8.27	1.655
Total	31	1639.91

Note: Coefficient of correlation () = 0.968; Coefficient of determination () = 0.936; adjusted = 0.82. ignificant at 1%-level; egree of freedom; um of squares; ean square.