| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Extremely noisy and chaotic, disruptive to taking the test | 3 |
3.4%
|
| 2 | 2. Some noise and interruptions, but reasonable environment to take a test | 20 |
23%
|
| 3 | 3. Very quiet and calm, ideal for taking a test | 64 |
73.6%
|
| Sysmiss | 12 |