stratified random sample meaning in English
分层随机样本
Examples
- Proportion allocation in stratified random sampling
按比例分层随机抽样 - Empirical likelihood method under stratified random sampling using auxiliary information and the information in the strata population size
在分层抽样下有效利用辅助信息及含于层总体大小中的信息的经验似然方法 - The paper analyses the survey data about stratified random sample of 70 villages in shandong province by qualitatively and quantitatively
摘要20世纪90年代以来，中国农业生产结构发生了巨大的变化，但人们对农户种植结构调整的主要影响因素有显著的不同看法。 - The fifth part is an investigation on the present situation of english education in the kindergartens in the main urban districts in chongqing by adopting stratified random sampling
第五部分运用分层随机抽样的方法，对重庆市主城区幼儿园英语教育现状进行了调查。 - Method three thousand and eighty - sevedn beijing citizens from various areas were selected by using stratified random sampling and were surveyed by the questionnaires
方法采用多阶段分层随机抽样的方法，应用自行设计的调查表，调查不同地区的北京市民，共回收有效问卷3087份。