Population examined | Â | Ratio of measuring/ capture-zone square size1 | Number of grid squares containing structures | Chi-square | Â | |||
---|---|---|---|---|---|---|---|---|
 |  |  | 0 | 1 | 2 | 33 |  | p |
97–86 | obs2 | 3 | 15 | 40 | 38 | 10 | 0.97 | 0.81 3 df4 |
 | exp2 |  | 13.0 | 38.7 | 38.5 | 12.8 |  |  |
97–142 | obs | 2 | 19 | 57 | 26 | 2 | 1.10 | 0.58 2 df |
 | exp |  | 21.5 | 52.0 | 31.2 | 0 |  |  |
916–150 | obs | 2 | 32 | 56 | 16 | 2 | 0.66 | 0.72 2 df |
 | exp |  | 32.8 | 52.3 | 20.8 | 0 |  |  |
916–444 | obs | 2 | 45 | 49 | 11 | 1 | 0.076 | 0.96 2 df |
 | exp |  | 44.9 | 48.2 | 12.9 | 0 |  |  |
920–125 | obs | 2 | 27 | 54 | 23 | 2 | 0.113 | 0.95 2 df |
 | exp |  | 26.5 | 53.0 | 26.5 | 0 |  |  |
920–400 | obs | 3 | 36 | 47 | 22 | 1 | 1.39 | 0.71 3 df |
 | exp |  | 37.0 | 46.6 | 19.6 | 2.7 |  |  |