stratified proportional sampling的意思|示意
分层比例抽样
stratified proportional sampling相关短语
1、 proportional stratified random sampling 分层随机抽样
2、 Stratified sampling with proportional allocation 比例抽样法
stratified proportional sampling相关例句
Methods The survey of prevalence of dental caries in group aged 12 and 15 years in Anhui province was conducted using the non-proportional, stratified, cluster sampling method.
方法对安徽省四县市的12岁及15岁儿童的龋病发病情况进行抽样调查,采用分层、不等比、多阶段整群抽样的方法。