stratified random sampling是什么意思,stratified random sampling的意思翻译、用法、同义词、例句
常用词典
分层随机抽样
例句
The authors take the students of Gansu Lianhe University as objects of study, using stratified random sampling method taking samples of 1000.
作者以甘肃联合大学学生为研究对象,采用分层随机抽样法抽取样本1000名进行调查。
Though stratified random sampling method is adopted for the arterial and collector functional systems, there is a good potential to improve it.
尽管分层随机抽样的方法已经在干线和一般的集散系统得到利用,它仍有很大的发展空间。
Method Some food processing employees were selected according to stratified random sampling method, and filled in a unified questionnaire anonymously.
方法按照分层随机抽样原则随机抽取部分食品从业人员,匿名独自填写统一的调查问卷。
Methods By multi-stage stratified random sampling method, 20 087 people were selected from 40 administrative villages of 8 counties.
采用多阶段分层随机抽样方法抽取了山东省8个县,40个行政村共20 087人。
Methods: The self-designed questionnaires were used to anonymously investigate on 179 students in 19 academies of the university who were selected by stratified random sampling.
方法:运用笔者自行编制的问卷,采取分层随机抽样的方法对山西师范大学19个专业的179名大学生进行匿名调查。
Methods General investigation was adopted to understand the water supply situation in rural areas and stratified random sampling was used to monitor the water quality.
方法按照相关调查表要求,对农村供水情况进行普查,供水水质采用分层随机抽样的方法进行监测。
Methods A total of 310 teachers from 4 middle schools in Huaibei City were selected with stratified random sampling to undergo a survey with teacher job burnout questionnaire(MBI-ES).
方法采用分层随机抽样方法,抽取安徽省淮北市4所中学的310名教师,采用教师职业倦怠量表(MBI-ES)进行调查。
DESIGN: A clusting stratified random sampling survey.
设计:随机、分层、整群抽样调查。
Methods 3034 children between 0 to 6 years in three Gorges reservoir were selected by stratified random sampling method.
方法以分层整群随机抽样的方法选取三峡库区0~6岁儿童3034例,采用骨源性碱性磷酸酶(BALP)测定。
METHOD Using stratified random sampling method.
方法采用分层随机抽样方法。
Multistage stratified random sampling was conducted an interview survey in status of illness for children under 2 years old.
采用多阶段分层随机抽样法对2岁以下儿童进行疾病状况询问调查。
Methods:Totally 1000 nurses were investigated with a self designed questionnaire using stratified random sampling.
方法:采用分层随机抽样的方法,自行设计问卷,对1000名临床护理人员进行调查。
The fourth part is an investigation on the state-of-art of the information-literacy education in the Higher Teacher Education Institutions in Chongqing by adopting stratified random sampling.
第四部分运用分层随机抽样的方法,对重庆市高师院校学生的信息素养现状进行了调查。
Research mainly use the way of questionnaire survey, it conducted a stratified random sampling from undergraduate students of some independent college;
研讨以问卷调查为主的方式,对某独立学院在校大学生入行了随机分层取样调查;
Methods:1 054 floating married women(FMW)were selected by stratified random sampling and the data was analyzed by SPSS11.0.
方法:采用分层随机抽样的方法抽取1054名流动已婚妇女作为研究对象,利用SPSS11.0软件对资料进行分析。
The paper introduces multiple imputation(MI) for missing data in stratified random sampling, and discusses the ordinary method of MI with ignorable nonresponse, and illustrates the essential steps.
介绍分层随机抽样条件下多重插补法处理缺失数据的基本思想,分析可忽略无回答的分层随机抽样建立多重插补的常用方法,并通过实例加以说明。
The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.
本文在分层随机抽样下通过使用辅助变量的偏斜系数提出了几个总体均值的估计。
Methods Totally 41 350 children of Korean, Mongolian, Li, Miao, Puyi, Tung and Tibetan were investigated with stratified random sampling.
方法在朝鲜族、蒙古族、黎族、苗族、布衣族、侗族和藏族的聚集村分层随机抽样调查41350人。
Methods With stratified random sampling 100 from 1000 township health centers finished their buildings projects, to evaluate their buildings and use.
方法:采用分层随机抽样方法,从河南省1 000个乡镇卫生院建设项目单位中抽取100个为样本,对其土建情况作评价。
MethodUsing stratified random sampling method, to analyze the socioeconomic characteristics, family status, the prevalence of two weeks, the treatment of two weeks of the survey population with SPSS.
方法采用分层随机抽样的方法抽取样本,利用SPSS软件对调查人口的社会经济学特征、家庭状况、两周患病情况,两周就诊情况等进行分析。
Methods 4305students were selected by stratified random sampling, and a questionaire survey of TB knowledge was made.
方法采取分层随机抽样的方法在深圳各区学校抽取4305位学生进行问卷调查。
We randomly selected 806 children under 6 years of age from 45 primary anganwadi (childcare) centres in Chandigarh, Punjab, India, that were chosen through multistage stratified random sampling.
在印度旁遮普省昌迪加尔的45所托儿所(anganwadi)中心采用多级分层随机取样法选择了806名6岁以下儿童。
Methods A questionnaire survey was conducted with stratified random sampling among 1689 people in 2 counties.
方法采用分层随机抽样,对两县16 89人进行问卷调查。
Methods:The investigation on the quality of observation was applied stratified random sampling method and condensed SF-36 scale.
方法:采用分层随机抽样的方法,用简明SF-36健康量表对研究对象的生活质量进行调查。
网络扩展资料
Stratified random sampling是一种抽样方法,通常用于研究人口或组织中的特征分布,它能够更准确地代表总体。
用法
在Stratified random sampling中,研究人员将总体划分为具有相似特征的子群(strata)。然后,从每个子群中随机选择一定数量的个体,以便生成样本。这种方法能够确保每个子群都有足够的代表性,从而使得样本更能够代表总体。
举个例子,假设你要研究一所大学的学生群体,你可以将整个学生群体分为不同的年级,然后从每个年级中随机选择一定数量的学生作为样本。这样,你就可以更好地代表整个学生群体,而不是只选取其中一部分。
近义词
Stratified random sampling的近义词包括stratification sampling、quota sampling、和proportional sampling。
反义词
Stratified random sampling的反义词是non-probability sampling,这种抽样方法不基于随机选择,而是根据研究人员的主观判断来选择样本。
单词解释:random sampling
Random sampling是一种抽样方法,通过随机选择个体来生成样本,以便代表总体。
用法
在Random sampling中,每个个体都有相等的机会被选为样本。这种方法的优点在于能够减少选择偏差,即研究人员的主观判断可能会导致不准确的结果。
例如,如果你要研究某种药物对人群的影响,你可以随机选择一部分人群来接受药物,另一部分则不接受药物。这样,你就可以比较接受药物和不接受药物的人群,以便得出结论。
近义词
Random sampling的近义词包括probability sampling、equal probability sampling、和simple random sampling。
反义词
Random sampling的反义词是non-random sampling,这种抽样方法基于研究人员的主观判断来选择样本,可能会导致选择偏差。
单词解释:sampling
Sampling是一种抽样方法,通过选择一个代表性的样本来研究总体。
用法
在Sampling中,研究人员从总体中选择一部分个体作为样本,以便代表总体。这种方法的优点在于可以节省时间和资源,同时减少对个体的影响。
例如,如果你要研究某种新产品的市场反应,你可以选择一部分消费者来使用该产品,并调查他们的反应。这样,你就可以了解整个市场的反应,而不必对每个人都进行调查。
近义词
Sampling的近义词包括selection、survey、和census。
反义词
Sampling的反义词是census,这种方法是对总体中的每个个体进行调查,而不是只选择一部分个体。
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