基本解释：简单随机样本
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In this article,students actually present at exams are regarded as simple random sampling of all the students,and the sampling and assessing ways are applied.将实考考生看作为考生总体的一个简单随机样本 ,应用抽样估值的方法 ,在若干合适的概率分布模型下 ,收集和推演了考生总体合格率的一些估计公式 ,以估计有考生缺考时 ,考生总体的合格率 。
Samples that can be obtained in these trails are independent with each other,but have diverse distributions,they are called unsimple random samples.这样试验得到的样本,虽相互独立,但分布不同,是一个“非简单随机样本”。
The simple random sampling plan and stratified random sampling plan has been introduced and the application means and effects of which also has been presented,it has some characteristics such as material precision and obvious reduce of sample size,and rational advice has been presented.介绍了简单随机抽样和分层随机抽样方法及其在检测中的应用方法和效果。
This paper detailed introduced the two sampling methods, simple random sampling, and stratified sampling, and analyzed the features of the two methods.我国现行既有房屋构件质量评定检测抽样技术存在明显的缺点,本文详细介绍了以数理统计为基础的简单随机抽样和分层随机抽样两种方法,分析了两种方法的特点。
This paper introduced several methods about the concrete strength inspection: the sampling method given by the present specification; simple random sampling without replacement; stratified sampling .具体介绍了砼强度检测抽样的几种方法:现行规程抽样法;简单随机抽样法;分层抽样法。
simple random sampling简单随机抽样 简单随机抽样
covariance for simple random sampling简单随机抽样协方差
precision of simple random sampling简单随机抽样精密度
Development of Systematic Sampling Dynamic Linkable Library with VBVB实现简单随机抽样的DLL开发及应用
single random sampling单次随机抽样 单次随机抽样
random sampling随机抽样,随机采样
A type of probability sample in which aggregations of sampling units, called clusters, are sampled at some stage in the process.是一种将样本单元聚集在一起的随机抽样法.样本群在抽样的某一步骤被抽出.
Random sampling is the basic sampling method in medical research and design. The paper presents the develop-ment and applications of sampling program.单纯随机抽样是医学科研设计中最基本的抽样方法,介绍抽样程序开发过程及应用。
Proportion allocation in stratified random sampling按比例分层随机抽样
taken or to be taken at random.随机的抽取或被随机抽
This study conducts a customers' satisfaction survey by carries on a questionnaire and uses simply and random sampling way is attempt to look for the relationship between service quality and customers' satisfaction in Air Force engine overhaul shop.本研究采用简单随机抽方式针对空军修护工厂之各发动机维护分队进行问卷发放与回收。
Methods of random sampling by utilizing electronic sampler of random numberGB/T15500-1995利用电子随机数抽样器进行随机抽样的方法
random observation(在工作抽样中所作的随机观察) 随机观察
Methods for random sampling by utilizing dices of random numberGB/T10111-1988利用随机数骰子进行随机抽样的方法
an inquiry into public opinion conducted by interviewing a random sample of people.随机抽样接见民众以探测民意。
timates in stratified random sampling分层随机抽样的比率估计值
Method To visit and talk with interviewees who are chosen with random sampling.方法 进行随机抽样的入户访谈式调查。
Randomized Response Techniques for Complex Survey Designs;随机化问答技术在复杂抽样中的应用
