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proportional sample

/prəˈpɔːrʃənl ˈsæmpl/

翻译: 按比例抽样是一种抽样方法,从总体各子群体中抽取的样本量与各子群体在总体中所占比例成正比。

1 个条目

phrase

/prəˈpɔːrʃənl ˈsæmpl/C1formaltechnical
  • zh按比例抽样是一种抽样方法,从总体各子群体中抽取的样本量与各子群体在总体中所占比例成正比。

A sample in which the number of elements selected from each subgroup of a population is directly proportional to the size of that subgroup within the overall population.

  1. Representative subsetC1formal

    A sample in which the number of elements from each subgroup is proportional to the size of that subgroup in the overall population.

    zh比例抽样

    • The researchers used a proportional sample to ensure all age groups were fairly represented.
    • In a proportional sample, the ratio of men to women matches the population ratio.
    • A proportional sample helps reduce bias in survey results.