分层随机抽样法 meaning in Chinese
stratified random sampling method
stratified randon sampling
Examples
- Through questionnaire , we know the present situation of secondary school teachers ' understanding of self - regulated learning , and give our solutions on these questions . to make the investigation representative , this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality , medium quality , low quality
为保证调查取样的代表性，本研究采用分层随机抽样法，即按照重点学校和非重点学校，非重点学校又分为较好的学校和较差的学校的标准，在全市中学中随机抽取300名一线教师，进行实测。