Research Article
Bioinsecticide Production from Cigarette Wastes
Table 5
ANOVA fit for yield of crude extracts.
| Source | Sum of squares | Df | Mean square | F-value | value | Remark |
| Model | 17.94 | 9 | 1.99 | 1614.91 | <0.0001 | Significant | A: temperature | 13.17 | 1 | 13.17 | 10669.01 | <0.0001 | | B: time of extraction | 0.6712 | 1 | 0.6712 | 543.80 | <0.0001 | | C: NaOH concentration | 0.1378 | 1 | 0.1378 | 111.67 | <0.0001 | | AB | 0.7110 | 1 | 0.7110 | 576.10 | <0.0001 | | AC | 0.0092 | 1 | 0.0092 | 7.44 | 0.0213 | | BC | 1.90 | 1 | 1.90 | 1536.51 | <0.0001 | | A2 | 0.1780 | 1 | 0.1780 | 144.21 | <0.0001 | | B2 | 0.0257 | 1 | 0.0257 | 20.85 | 0.0010 | | C2 | 1.11 | 1 | 1.11 | 901.70 | <0.0001 | | Residual | 0.0123 | 10 | 0.0012 | | | | Lack of fit | 0.0012 | 5 | 0.0002 | 0.1051 | 0.9864 | Not significant | Pure error | 0.0112 | 5 | 0.0022 | | | | Cor total | 17.95 | 19 | | | | |
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