| Value |
Category |
Cases |
|
| -9 |
NIU (not in universe) |
543 |
|
| 1 |
very easy |
21 |
|
| 2 |
somewhat easy |
13 |
|
| 3 |
not easy/not difficult |
3 |
|
| 4 |
somewhat difficult |
4 |
|
| 5 |
very difficult |
4 |
|
| 9999995 |
missing:impute |
66 |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
