Population examined6 | Number of structures | Number of squares | Average number of structures/ grid square2 | Number of grid squares containing structures | |||
---|---|---|---|---|---|---|---|
 |  |  |  | 0 | 1 | 2 | 35 |
97–863 expected4 | 154 | 103 | 1.50 1.50 | 15 23.1 | 40 34.5 | 38 25.8 | 10 12.9 |
97–142 expected | 115 | 104 | 1.11 1.11 | 19 35.1 | 57 38.5 | 26 21.1 | 2 7.7 |
916–150 expected | 94 | 106 | 0.89 0.89 | 32 43.7 | 56 38.7 | 16 17.2 | 2 5.1 |
916–444 expected | 74 | 106 | 0.70 0.70 | 45 52.7 | 49 36.8 | 11 12.9 | 1 3.0 |
920–125 expected | 106 | 106 | 1.00 1.00 | 27 39.0 | 54 39.0 | 23 19.5 | 2 6.5 |
920–400 expected | 94 | 106 | 0.89 0.89 | 36 43.7 | 47 38.7 | 22 17.2 | 1 5.1 |