| 单词 | stratified random sampling |
| 释义 | > as lemmasstratified random sampling stratified random sampling n. Statistics = stratified sampling n. ΚΠ 1934 Jrnl. Royal Statist. Soc. 97 588 The only method which can be advised for general use is the method of stratified random sampling. 1958 Educ. Res. Bull. 37 30 We selected by means of stratified random sampling forty-two school systems in nineteen counties. 2006 F. Green Demanding Work 185 Stratified random sampling was used to select households from sectors drawn from the Postal Address File. < as lemmas |
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