advance letter (personal experiment group allocation)
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 779 | 21.55% |
| standard letter | 1 | 1810 | 50.07% |
| employment busy | 2 | 234 | 6.47% |
| children | 3 | 177 | 4.9% |
| age 16-29 | 4 | 196 | 5.42% |
| london or se | 5 | 194 | 5.37% |
| pensionable age | 6 | 225 | 6.22% |
| Total | 3615 | 100.0% |



