systematic random sampling

常見(jiàn)例句

The recommended sample size for a systematic random sampling is 500 children.
系統(tǒng)隨機(jī)抽樣的推薦樣本大小是500名兒童。
METHODS Adopting multistage systematic random sampling, a total of 250 residents aged 15-69 years from 250 families in 5 towns was randomly interviewed.
方法採(cǎi)用多堦段系統(tǒng)隨機(jī)抽樣方法，抽取蕭山區(qū)5個(gè)鎮(zhèn)250戶15～69嵗的常住居民進(jìn)行入戶調(diào)查。
Methods A questionnaire survey was conducted by systematic random sampling from 732 residents of new community and 512 residents of old community with need of health education.
方法採(cǎi)用整群隨機(jī)抽樣方法，對(duì)新城區(qū)732名居民和舊城區(qū)5 12名居民採(cǎi)用自填式問(wèn)卷的方法調(diào)查新舊城區(qū)居民的健康教育需求。