@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns0: <http://art.uniroma2.it/ontologies/vocbench#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

agrovoc:xDef_8f2152f2
  rdf:value "When the basic sampling unit in the population is to be found in groups or clusters, e.g. human beings in households, the sampling is sometimes carried out by selecting a sample of clusters and observing all the members of each selected cluster. This is known as cluster sampling."@en ;
  ns0:hasSource "A Dictionary of Statistical Terms, 5th edition, prepared for the International Statistical Institute by F.H.C. Marriott. Published for the International Statistical Institute by Longman Scientific and Technical" ;
  dc:created "2026-02-12T15:35:49"^^xsd:dateTime .

agrovoc:c_24438 skos:definition agrovoc:xDef_8f2152f2 .