Bioinsecticide Production from Cigarette Wastes

Table 6

ANOVA fit for nicotine content.

Source	Sum of squares	Df	Mean square	F-value	value	Remark
Model	0.6608	9	0.0734	1025.19	<0.0001	Significant
A: temperature	0.2177	1	0.2177	3040.19	<0.0001
B: time of extraction	0.1760	1	0.1760	2457.43	<0.0001
C: NaOH concentration	0.0285	1	0.0285	397.72	<0.0001
AB	0.0895	1	0.0895	1250.04	<0.0001
AC	0.0034	1	0.0034	47.69	<0.0001
BC	0.0098	1	0.0098	136.15	<0.0001
A^2	0.0343	1	0.0343	478.68	<0.0001
B^2	0.0004	1	0.0004	6.04	0.0338
C^2	0.0738	1	0.0738	1030.29	<0.0001
Residual	0.0007	10	0.0001
Lack of fit	0.0003	5	0.0001	0.8206	0.5832	Not significant
Pure error	0.0004	5	0.0001
Cor. total	0.6615	19