Knowledge Scale at Alumni/ae
| Knowledge | 2000 | 2001 | 2002 | Total |
| N (Valid) | 643 | 503 | 134 | 1280 |
| Mean | 7.99 | 7.97 | 8.12 | 7.99 |
| Median | 8.08 | 8.08 | 8.42 | 8.08 |
| Std. Deviation | 1.45 | 1.52 | 1.58 | 1.49 |
| Variance | 2.1 | 2.31 | 2.48 | 2.22 |
| Minimum | 3 | 1 | 3.75 | 1 |
| Maximum | 11 | 11 | 11 | 11 |
( Scale of 1 -11 )