Table 3.
Probit regression line of Anopheles stephensi exposed to different interval concentrations of essential oil of Ferulago carduchorum
| Intercept | Slope±SE* | LC50 (ppm) | 95% CI | LC90 (ppm) | 95% CI | χ2 | χ2table (df) | p-value |
|---|---|---|---|---|---|---|---|---|
| −2.4906 | 1.9303± | 12.7818 | 19.5101– | 47.4356 | 89.9890– | 35.78 | 22.458 (6) | 0.001 |
| 0.323 | 33.4434 | 357.8734 | * |
*:
No heterogeneity; SE: Standard Error, LC50: Lethal Concentration to cause 50% mortality in population; LC90: Lethal Concentration to cause 90% mortality in population, CI: Confidence Interval, χ2 (df) = heterogeneity about the regression line (Degrees Of Freedom).