stratified sampling造句
1、Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty.
方法采用分層整群抽樣方法調(diào)查487戶貧困家庭。
2、Stratified sampling can reduce the sampling error associated with simple random samples.
分層抽樣可以減少由簡單隨機抽樣造成的抽樣誤差。
3、Methods: The stratified sampling and cluster random sampling methods are used in this survey.
方法：本研究采用分層隨機抽樣方法和整群隨機抽樣方法。
stratified sampling翻譯
【計】 成層抽樣【經(jīng)】 分層抽樣 詳情
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