Comparison of sample sizes needed to attain various relative standard errors (RSE) for analyzed U.S. cities.
| RSE | Buffalo, New York | Lansing, Michigan | Livonia, Michigan | Parkersburg, West Virginia | Syracuse, New York | Wilmington, Delaware | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | No. | % | No. | % | No. | % | No. | % | No. | % | No. | |
| 20% | 0.6 | 37 | 0.6 | 30 | 0.7 | 23 | 10.5 | 92 | 1.2 | 26 | 0.9 | 48 |
| 10% | 2.4 | 145 | 2.2 | 116 | 2.7 | 89 | 31.8 | 279 | 4.5 | 98 | 3.6 | 185 |
| 5% | 9.1 | 539 | 8.0 | 433 | 9.7 | 327 | 65.1 | 570 | 16.1 | 343 | 13.0 | 668 |
| 1% | 71.3 | 4,248 | 68.6 | 3,691 | 73.0 | 2,449 | 98.8 | 858 | 82.7 | 1,764 | 78.9 | 4,043 |
Note: % - Percent of total block segments sampled to attain RSE; No. - Number of block segments sampled to attain RSE.