Table 1.
factors | related groups | unrelated groups | test statistics | p |
---|---|---|---|---|
group size | 6.5 | 6.5 | 60.5 | >0.99 |
(max–min) | (3–10) | (3–10) | ||
body length (in mm) | 47.0 | 47.0 | 57.0 | 0.81 |
(min–max) | (34–54) | (39–57) | ||
sex ratio | ||||
groups with male bias | 7 | 5 | 1.01 | >0.50 |
groups with female bias | 2 | 2 | ||
groups with equal sex ratios | 2 | 4 |
Mann–Whitney U-statistics were conducted on the group size and helper size data and a log–linear analysis was performed on the sex ratio data. None of these factors differed between related and unrelated groups.