The U.S. Bureau of the Census conducts nationwide surveys on characteristics of U.S. households. Following are data on the number of people per household for a sample of 50 households. Construct a grouped data table for these household sizes.
| 4 | 1 | 2 | 4 | 6 | 1 | 6 | 6 | 5 | 7 |
| 3 | 2 | 4 | 3 | 6 | 3 | 1 | 3 | 2 | 5 |
| 5 | 2 | 5 | 2 | 2 | 4 | 5 | 6 | 5 | 6 |
| 5 | 1 | 4 | 7 | 2 | 5 | 7 | 6 | 7 | 1 |
| 4 | 3 | 3 | 5 | 3 | 2 | 5 | 6 | 1 | 6 |
| Household size | Frequency | Relative Frequency |
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 | ||
| 7 | ||
| Total | 50 | 1 |