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Distribution of Method of cleaning among both tribes
| Methods of cleaning | Koya | % | Lambada | % |
|---|---|---|---|---|
| Vertical | 17 | 3.40 | 10 | 2.00 |
| Horizontal | 366 | 73.20 | 370 | 74.00 |
| Circular | 1 | 0.20 | 0 | 0.00 |
| Vertical and Horizontal | 77 | 15.40 | 100 | 20.00 |
| Horizontal and Circular | 39 | 7.80 | 20 | 4.00 |
| Total | 500 | 100.00 | 500 | 100.00 |
Chi-square = 81.5732, df = 8, p = 0.00001*
*P < 0.05
