
| 2007 | |
|---|---|
Northeast | 18.75% |
North Central | 25.01% |
South | 35.04% |
West | 21.2% |
Sample size | 4,068 |
Sample size calculated by VoxDash | 1,915 |
Probability sampling | |
Margin of error | ±2% |
Margin of error (calculated by VoxDash) | ±2.24% |
Calculated by VoxDash | |
Data provider | |
General population | |
Respondent qualification age | 18 |
Data sampling | A random-digit dial (RDD) sample |
Geographies | United States of America |
Coverages | Unknown |