Table 4 Description of the sample
| Â | Mean | Median | SD | Min | Max |
|---|---|---|---|---|---|
Individuals (N = 2175) | – | – | – | – | – |
Units: higher-education institutions (N = 147) | |||||
 Number of graduates per unit | 14.80 | 11 | 14.82 | 1 | 92 |
 Number of fields of study per unit | 3.69 | 3 | 2.87 | 1 | 16 |
 Number of administrative regions where graduates work per unit | 4.98 | 5 | 3.40 | 1 | 23 |
Units: fields of study (N = 53) | |||||
 Number of graduates per unit | 41.04 | 27 | 62.55 | 1 | 415 |
 Number of higher-education institutions per unit | 10.25 | 7 | 10.22 | 1 | 55 |
 Number of administrative regions where graduates work per unit | 12.75 | 12 | 8.10 | 1 | 33 |
Units: administrative regions (N = 38) | |||||
 Number of graduates per unit | 57.24 | 40.5 | 51.12 | 2 | 212 |
 Number of higher-education institutions per unit | 19.26 | 16.5 | 12.09 | 2 | 51 |
 Number of fields of study per unit | 17.79 | 17.5 | 8.08 | 2 | 37 |
Units: higher-education institutions × fields of study (N = 543) | |||||
 Number of graduates per unit | 4.01 | 2 | 5.24 | 1 | 44 |
Units: higher-education institutions × fields of study × administrative regions (N = 1143) | |||||
 Number of graduates per unit | 1.90 | 1 | 2.46 | 1 | 31 |