00162417-n 'the population is divided into subpopulations (strata) and random samples are taken of each stratum';
 
汉语 分层 随意 取样 , 为 样本 分 层级 , 为样本分层级 , 分层随意取样
英语 stratified sampling , representative sampling , proportional sampling
日语 層化抽出法
Definitions
英语
the population is divided into subpopulations (strata) and random samples are taken of each stratum
日语
人口が部分母集団（層）に分けられ、それぞれの層の無作為標本がとられる
Relations
Hypernym: sampling
Semantic Field: actn
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