Table 1.
Variable | Mean | Std. Dev. | Min | Max |
---|---|---|---|---|
Block faces per block | 4.9 | 3.1 | 2 | 35 |
Blocks per tract | 6.5 | 3.0 | 2 | 14 |
Observations per block face | 2.9 | 0.6 | 1 | 7 |
Observations per block | 14.1 | 8.9 | 4 | 92 |
Observations by tract | 91.8 | 40.4 | 24 | 196 |
Observations per observer | 170.5 | 164.3 | 4 | 629 |
Variable | Total Count | |||
Observations (observer by block face) | 5,966 | |||
Block faces | 2,071 | |||
Blocks | 422 | |||
Tracts | 65 | |||
Observations per block face | Count | Percent | ||
1 | 41 | 2 | ||
2 | 383 | 18 | ||
3 | 1,464 | 71 | ||
4 | 158 | 8 | ||
5 – 7 | 25 | 1 | ||
Total | 2,071 | 100 |