NO | Total SOHFOs (N) | Sampled SOHFOs | % of the total sample |
NO X | 79 | 79/286 * 167 = 46 | 27.6 |
NO Y Point A | 82 | 82/286 * 167 = 48 | 28.7 |
NO Y Point B | 82 | 82/286 * 167 = 48 | 28.7 |
NO Y Point C | 21 | 21/286 * 167 = 12 | 7.2 |
NO Y Point D | 22 | 22/286 * 167 = 13 | 7.8 |
Total | 286 | 167 | 100 |