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層別 (そうべつ) Japanese meaning | Kotomora
Meanings 1
noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
stratification ; classification ; distribution by layer
Technical term used in statistics, quality control, and data analysis for dividing data into subgroups (strata) based on shared characteristics. Often appears in phrases like 層別抽出 (stratified sampling) or 層別分析 (stratified analysis).
層そう 別べつ 抽ちゅう 出しゅつ は 、 母ぼ 集しゅう 団だん を いくつ か の 層そう に 分わ け て から 標ひょう 本ほん を 選えら ぶ 方ほう 法ほう だ 。
Stratified sampling is a method of selecting samples after dividing the population into several strata.
Kanji 層 stratum, social class, layer 別 separate, branch off, diverge Similar words 分ぶん 類るい 分類 is a general term for classification or categorization, while 層別 specifically implies dividing into hierarchical layers or strata, often for statistical purposes.
階かい 層そう 化か 階層化 refers to creating a hierarchy or layering in a broader sense (e.g., social stratification), whereas 層別 is more technical and data-oriented.
Etymology Compound of 層 (そう, 'layer, stratum') and 別 (べつ, 'distinction, separation'). The term is a modern technical coinage, likely from the early 20th century, used in statistics and quality control.
