Sleep: Time usually go to sleep not school night
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| Missing | -9 | 36 | 2.51% |
| Before 9 pm | 1 | 59 | 4.12% |
| 9 - 9:59 pm | 2 | 265 | 18.51% |
| 10 - 10:59 pm | 3 | 388 | 27.09% |
| 11 - midnight | 4 | 421 | 29.4% |
| After midnight | 5 | 263 | 18.37% |
| Total | 1432 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 3.4 | 36 | 1.0 | 5.0 | 1.12 | 1396 |



