| Groups | Count | Sum | Average | Variance |
| Ilemi | 18 | 4.6 | 2.6 | 5.9 |
| Mbalizi | 18 | 5.0 | 2.8 | 5.7 |
| Uyole | 18 | 5.5 | 3.0 | 6.2 |
| Mbagala | 18 | 6.4 | 3.6 | 5.9 |
| Pugu station | 18 | 4.7 | 2.6 | 4.1 |
| Kimara Stopover | 18 | 6.3 | 3.5 | 6.0 |
| Tegeta | 18 | 5.6 | 3.1 | 3.7 |
| Ukonga | 18 | 5.4 | 3.0 | 5.2 |
| Vingunguti | 18 | 4.5 | 2.5 | 3.1 |
| ANOVA |
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|
|
|
| Source of Variation | SS | df | MS | F |
| Between Groups | 21.660 | 8 | 2.707 | 0.533 |
| Within Groups | 777.743 | 153 | 5.083 |
|
| Total | 799.403 | 161 |
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