Research Article
Diversity and Distribution of Avifauna in the Northeast of Addis Ababa, Central Ethiopia
Table 2
Mann–Whitney and Kruskal–Wallis statistical tests in season and sampling site.
| Mann–Whitney statistical test | Abundance | Season | N | Mean rank | Sum of ranks | Z | Asymp. sig |
| | Wet | 123 | 120.18 | 14782.00 | −0.876 | 0.381 | | Dry | 123 | 126.82 | 15599.00 | | | | Total | 246 | | | | |
| Kruskal–Wallis statistical test | Abundance | Sampling site | N | Mean rank | | df | Asymp. sig |
| | Abattoir | 82 | 104.35 | 13.586 | 2 | 0.001 | | Farmland | 82 | 128.87 | | | | | Settlement | 82 | 137.29 | | | | | Total | 246 | | | | |
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