Research Article
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 | | A2 | 0.0343 | 1 | 0.0343 | 478.68 | <0.0001 | | B2 | 0.0004 | 1 | 0.0004 | 6.04 | 0.0338 | | C2 | 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 | | | | |
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