simple random sample meaning in English
单纯随机样品
简单随机样本
简单随机样品
Examples
- Precision of simple random sampling
简单随机抽样精密度 - Simple random sampling
简单随机抽样 - Methods after a general cross - sectional hygienic survey which was carried out by filling in questionnaires , the source water 、 off - work water and pipe water sampled from 20 % subjects which were selected by stratified sampling and simple random sampling were tested
方法按设定的调查内容，先采用横断面现场普查填写调查表的方法进行卫生学调查，然后按20 %的比例采用分层、随机抽样的方法，对水源水、出厂水、末梢水进行检测。 - The data for the study is taken from the answers to questionnaires dispatched to the teachers and students under study . the statistical method used is simple random sampling . the sample size is 223 junior - secondary students ( 119 males and 104 females ) and 27 teachers ( 11 males and 16 females )
女生104人) ，及教师共27人(男教师11人，女教师16人) ，以随机抽样方式进行问卷调查，并利用spss10 . 0作为分析工具，采用因素分析、 f检验、卡方分析、两两相关等方法对问卷资料进行了统计分析。