Definition: Primary sampling unit (PSU)

Category: Statistical concept

Geographically‑defined administrative unit selected at first stage of sampling. http://ec.europa.eu/eurostat/ramon/statmanuals/files/Design_Household_Survey_Samples_UN_Series_F98en.pdf
Source:
United Nations Statistics Division, "Designing Household Survey Samples: Practical Guidelines", New York, 2008
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