Table 7.
Analysis of variance for the prevalence of C. perfringens toxinotypes in four different zones of Punjab province in Pakistan.
| Source | Sum of squares | df | Mean square | F --Value | p --value |
|---|---|---|---|---|---|
| Model | 20.34 | 14 | 1.45 | 4.94 | 0.0077 |
| A-Zone-I | 6.75 | 1 | 6.75 | 22.94 | 0.0007 |
| B-Zone-II | 0.1875 | 1 | 0.1875 | 0.6372 | 0.0433 |
| C-Zone-III | 5.01 | 1 | 5.01 | 17.01 | 0.0021 |
| D-Zone-IV | 7.13 | 1 | 7.13 | 24.23 | 0.0006 |
| A × B | 0.0625 | 1 | 0.0625 | 0.2124 | 0.0448 |
| A × C | 0.3906 | 1 | 0.3906 | 1.33 | 0.0261 |
| A × D | 0.0156 | 1 | 0.0156 | 0.0531 | 0.0224 |
| B × C | 0.0625 | 1 | 0.0625 | 0.2124 | 0.0148 |
| B × D | 0.0625 | 1 | 0.0625 | 0.2124 | 0.0148 |
| C × D | 0.2500 | 1 | 0.2500 | 0.8496 | 0.0184 |
| A2 | 0.0110 | 1 | 0.0110 | 0.0375 | 0.0485 |
| B2 | 0.0110 | 1 | 0.0110 | 0.0375 | 0.0485 |
| C2 | 0.0689 | 1 | 0.0689 | 0.2343 | 0.0388 |
| D2 | 0.0689 | 1 | 0.0689 | 0.2343 | 0.0388 |
| Residual | 2.94 | 10 | 0.2943 | ||
| Lack of fit | 1.90 | 8 | 0.2375 | 0.45 | 0.792 |
| Pure error | 1.04 | 2 | 0.52 | ||
| Total | 23.29 | 24 |