length of telephone interview in minutes
Datafile
Variable note:
This variable is part of the "Energy use" experiment. See the description of experiments in the IP User Guide.
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 449 | 66.82% |
| [Value >= 0] | 1 | 223 | 33.18% |
| Total | 672 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 2.49 | 449 | 1.0 | 10.0 | 1.64 | 223 |
