TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ECHANTILLONNAGE GRAPPES [1 record]

Record 1 2022-12-08

English

Subject field(s)
  • Statistical Surveys
  • Statistical Methods
DEF

A sampling in which a random sample of clusters is selected and all the sampling units which constitute the clusters are included in the sample.

CONT

In cluster sampling, researchers divide a population into smaller groups known as clusters. They then randomly select among these clusters to form a sample. Cluster sampling is a method of probability sampling that is often used to study large populations, particularly those that are widely geographically dispersed. Researchers usually use pre-existing units such as schools or cities as their clusters.

OBS

cluster sampling: designation and definition standardized by the International Organization for Standardization (ISO).

French

Domaine(s)
  • Sondages et enquêtes (Statistique)
  • Méthodes statistiques
DEF

Échantillonnage selon lequel un échantillon aléatoire est tiré de ces grappes et toutes les unités d'échantillonnage qui le constituent sont comprises dans l'échantillon.

CONT

Pour effectuer un échantillonnage par grappes, il s'agit dans un premier temps de diviser la population en sous-ensembles appelés grappes. Chacune de ces grappes est constituée d'individus supposés être représentatifs de la population. L'échantillonnage par grappes consiste alors à choisir un échantillon aléatoire de grappes puis à observer, pour chacune de ces grappes, tous les individus y appartenant.

OBS

échantillonnage en grappe : désignation et définition normalisées par l'Organisation internationale de normalisation (ISO).

Spanish

Campo(s) temático(s)
  • Encuestas estadísticas
  • Métodos estadísticos
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