Vertaling van "stratified random sample" in Chinees
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分层随机抽样
During the 2012 filing cycle, 226 participants were selected using a stratified random sample for verification.
2012年申报周期,按照分层随机抽样的方式共选中226名参与者参加核查。
For the 2011 filing cycle, a total of 214 participants were selected for the verification process on the basis of a stratified random sample across different grades, departments/offices and duty stations.
A 1996 study conducted on a stratified random sample of 10,510 Saudi families by a team of researchers from the Ministry of Health, the College of Medicine at King Saud University and the Central Department of Statistics showed that 81% of married women had knowledge of methods of contraception and that 43.2% had used one of these methods.
A review of the stratified random sample of 33 projects was undertaken to gather additional evidence.
对总共121个项目中的33个进行了分类随机抽样审查 ,以收集更多的证据。
This method may only be feasible if the country in question possesses data on a recent census or comprehensive survey of firms (or other affected entities, e.g., households) conducted prior to the imposition of sanctions, so that it can identify a stratified random sample of firms (entities) to query regarding the impact of sanctions and establish the benchmark experience of firms (entities) prior to the sanctions episode.
The survey covers a stratified random sample of SMEs involved in mining and quarrying, manufacturing activities, construction, hotels and restaurants and real estate activities.
For the second qualitative analysis of programme policy, design and delivery, OIOS selected a stratified random sample of 15 reports.
对方案政策、设计和交付进行第二项定性分析时,监督厅(从上述75份报告中)选出了15份作为分层抽样。
According to the publisher's website, "The SB5 was normed on a stratified random sample of 4,800 individuals that matches the 2000 U.S. Census".
根據出版者的網站SB5的常模是以2000年美國人口普查中分層隨機抽樣取出的4,800人所建立的。
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