Sleep: Time usually go to sleep school night
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| Missing | -9 | 19 | 1.33% |
| Before 9 pm | 1 | 238 | 16.62% |
| 9 - 9:59 pm | 2 | 500 | 34.92% |
| 10 - 10:59 pm | 3 | 444 | 31.01% |
| 11 - midnight | 4 | 173 | 12.08% |
| After midnight | 5 | 58 | 4.05% |
| Total | 1432 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 2.51 | 19 | 1.0 | 5.0 | 1.04 | 1413 |



