3. Sample by some dwelling level characteristic: For example, the United States Census Bureau uses the following scheme:
Race of Householder: White, Asian & Pacific Islander or Other; Black, American Indian, Eskimo or Aleut
Origin of Householder: Spanish, Non-Spanish
Tenure of Housing Unit: Owner, Renter
Family type:
Family with Own Children Under 18
Family without Own Children Under 18
Other Household (non-family)
For Group quarters only: Inmate, Other GQ persons
All the combinations of these characteristics are used to define strata. In
effect, sampling is done separately for each stratum within each geographic
area.
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