| Areas | Distribution of the sample population | Total | ||
| students | teachers | administrative personnel | ||
| Engineering | 95 | 10 | 10 | 115 |
| Biomedical | 95 | 10 | 09 | 114 |
| Social | 95 | 15 | 10 | 120 |
| Total | 285 | 35 | 29 | 349 |