Stratified sampling divides populations into sub-groups (strata) then takes a random sample from each strata proportional to its size.
El muestreo estratificado divide las poblaciones en subgrupos (estratos) y luego toma una muestra aleatoria de cada estrato proporcional a su tamaƱo.
Front | Describe stratified sampling. |
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Back | Stratified sampling - populations divided into strata (sub-groups) based on a characteristic
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