To reach that number, the company surveyed a random sampling of 237 office workers.
公司是在对237名上班族进行了随机抽样调查后得出结论的。
Although random sampling used for many surveys fails to cover large segments of the population, the procedure nonetheless offers insight into voting and consumption patterns.
虽然许多调查所用的随机取样不能覆盖大部分人口,但是这一过程使人们能更深刻地理解选举和消费的模式。
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。
Method Using stratified random sampling method.
方法采用分层随机抽样方法。
Methods Simple random sampling was used to choose surveillance counties.
方法监测点的选择采用单纯随机抽样方法。
Methods 755 residents were surveyed on questionnaires by random sampling.
方法随机抽取755位居民,进行问卷调查。
The recommended sample size for a systematic random sampling is 500 children.
系统随机抽样的推荐样本大小是500名儿童。
Replication experiments in 20 cases of random sampling showed 100% coincidence.
随机抽取的20例样本进行重复实验,重复性为100%。
The input signal is reconstructed with several random sampling series by multi-trigger.
等效采样系统通过对该信号多次触发,用多个等效采样序列重建输入信号。
A new grid clustering method based on the random sampling is proposed in the dissertation.
提出一种新的基于随机抽样的网格聚类算法。
Methods: The stratified sampling and cluster random sampling methods are used in this survey.
方法:本研究采用分层随机抽样方法和整群随机抽样方法。
Methods A questionnaire survey was conducted among the colliers selected by random sampling.
方法随机抽取部分煤矿职工进行问卷调查。
RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
研究方法本研究采用分层整群随机抽样方法进行抽样。
Methods Blood gases of 81 cases with acute cerebral hemorrhage were analyzed by random sampling.
方法对81例急性脑出血的血气进行了随机抽样分析。
Methods According to the national guidelines, clustered random sampling was made for the survey.
方法按照全国统一制定的调查方案,按病种以分层整群随机抽样的方法确定调查点。
Monte Carlo simulation is a method of random simulation, random sampling or statistical testing.
蒙特卡罗方法是一类通过随机变量统计试验,随机模拟以求得问题近似解的方法。
Methods Cluster random sampling was used for investigation of 39 villages selected from 13 counties.
方法采用分层整群随机抽样的方法,对13个中签县市39个村(点)进行调查。
Methods By random sampling, 175 Cases of in-patients were given transfusion through unilateral upper Limb.
方法随机抽取住院患者175例,均采用一侧上肢输液。
A layered sampling model for fuzzy comprehensive evaluation was developed based on simple random sampling methods.
在简单随机抽样方法的基础上提出了分层抽样的模糊综合评价模型。
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。
Methods: Epidemiological survey of tuberculosis was conducted by cluster random sampling in the elderly in rural area.
方法:采取整群随机抽样方法,对本市农村地区老年人群进行结核病流行病学抽样调查。
CONCL USION: the calculation formulas of multiple - stratifying and clustering random sampling are theoretically set up.
结论:推导并建立多重分层、整群随机抽样误差的计算公式。
Methods Questionnaire survey township leading cadres, township hospital employees and patients with simple random sampling.
方法:采取单纯随机抽样方法对杭州某县乡镇干部、卫生院职工及患者进行问卷调查。
Methods With simple random sampling, 1010 floating population and 240 local people in Wuxi were interviewed by questionnaire.
方法采用单纯随机抽样方法,对无锡市1010名流动人口和240名当地人群进行问卷调查。
The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total.
调查在分层逐级抽样法与随机抽样法相结合的抽样基础完成,共收集有效样本1005个。
METHODS: a total of 283 families were investigated by random sampling, and the results of investigation were analyzed statistically.
方法采用非概率随机抽样方法,选取283户家庭进行调查,并对调查结果进行统计、分析。
Ranked set sampling (RSS) is a new sampling method. Compared to simple random sampling method (SRS), RSS sample has many good properties.
有序抽样是一种新的抽样方法,与简单随机抽样方法相比它具有很多很好的性质。
Method: 362 cases of Lizu elderly people who were investigated by a random sampling procedure were interviewed by using MOS SF-36 questionnaire.
方法:采用随机、整群抽样的方法,应用生命质量量表(SF-36健康量表),对五指山市362名黎族老年人进行入户问卷调查。
Method: 362 cases of Lizu elderly people who were investigated by a random sampling procedure were interviewed by using MOS SF-36 questionnaire.
方法:采用随机、整群抽样的方法,应用生命质量量表(SF-36健康量表),对五指山市362名黎族老年人进行入户问卷调查。
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