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stratified sampling

/ˈstrætɪfaɪd ˈsɑːmplɪŋ/

1 entry

phrase

/ˈstrætɪfaɪd ˈsɑːmplɪŋ/C1formalscientific
  • ruСтатистический метод выборки, который включает разделение популяции на отдельные подгруппы или страты на основе общих характеристик, с последующим случайным отбором образцов из каждой страты для обеспечения репрезентативности.

A statistical method of sampling that involves dividing a population into distinct subgroups or strata based on shared characteristics, then randomly selecting samples from each stratum to ensure representation.

  1. Statistical sampling methodC1formal

    A method of sampling that involves dividing a population into subgroups (strata) and then taking a sample from each subgroup.

    ruСтратифицированная выборка

    • The researchers used stratified sampling to ensure all age groups were represented.
    • Stratified sampling reduces sampling error compared to simple random sampling.
    • In stratified sampling, the population is divided into homogeneous groups before sampling.