Optimization of Concentrated Sulphuric Acid Hydrolysis of Gadam Sorghum Stalks Found in Kenya for Fermentable Sugar Production

Table 5

Gadam sorghum stalks: ANOVA for testing the significance of the model equation (Source: Design-Expert 13 Software).

Source	Sum of squares	df	Mean square	value	value
Model	3368.12	9	374.24	88.25	<0.0001	Significant
	26.47	1	26.47	6.24	0.0315
	189.7	1	189.7	44.73	<0.0001
	1274.75	1	1274.75	300.6	<0.0001
	27.35	1	27.35	6.45	0.0294
	93.85	1	93.85	22.13	0.0008
	11.18	1	11.18	2.64	0.1355
	227.11	1	227.11	53.55	<0.0001
	912.2	1	912.2	215.11	<0.0001
	902.4	1	902.4	212.79	<0.0001
Residual	42.41	10	4.24
Lack of fit	31.19	5	6.24	2.78	0.1431	Not significant
Pure error	11.22	5	2.24
Total	3410.53	19