调查误差

抽样调查误差的产生及控制

On the Occurrence and Control of Surveying Sampling Error

从遥感混合像元成像原理、误差产生过程、随机误差的概率分布等方面分析了遥感调查误差的大小。研究方法：定量分析法。

In this paper , quantitative study of errors has been made based on fundamentals of mixed-pixel image , error-generating process and stochastic distribution of errors .

本文结合调查误差分析的理论，根据网络自身的特点，分析了网络调查的非抽样误差的来源，并提出了减少误差的方法。

With theory of error analyzing and characteristics of Internet , this article analyzes the non-sampling errors of Internet surveys and comes up with some steps to reduce them .

海洋常规调查数据误差来源初探

Preliminary analysis of error sources of data from routine marine investigations

该调查的误差率为正负2%。

The poll 's margin of error was plus or minus two percentage points .

调查结果误差为上下三个百分点。

The margin of sampling error for all adults was plus or minus 3 percentage points .

谈谈抽样调查中误差的控制

Error Control in Sample Survey

该调查没有计算误差幅度。

The poll did not include a margin of error .

该调查的抽样误差为正负1.9个百分点。

It has a sampling error of plus or minus 1.9 percentage points .

人口变动情况抽样调查的抽样误差分析

Analysis on Sampling Errors of Population Change Survey

统计调查中回答误差的计量

Measurement of the Response Error in Statistical Surveys

有限总体下敏感性问题的抽样调查方法与误差估计

A Sample Survey Method and the Variance of the Estimate on the Sensitive Question of the Finite Population

调查结果的误差在正负1.09个百分点之间。

The overall results have a sampling error of plus or minus 1.09 percentage points , it said .

方法用常规检测方法，对工作中有误差反馈的生化检验结果，重新取标本检测或对标本复检，调查其引起误差的原因。

Method For biochemistry test results with error feedback , the exemplar was taken again or rechecked using routine methods , and error reasons were analyzed .

单频GPS接收机在国土资源调查应用中的误差分析

Error analyse of the single frequency GPS receiver in land and resources investigation

论抽样调查中非抽样误差及其控制

On Non-Sample Errors in Sample Investigation and the Control to Then

红松成过熟林伐区调查设计中资源误差的分析

Error analysis of resources in survey and design for over-aged korean forests

网上调查的非抽样误差分析及其控制

Nonsampling Error Analysis and Control of Investigation on Internet

浅谈问卷调查中非抽样误差的控制

On Control of Non-sampling Errors in Questionnaire

抽样调查中无回答误差的研究

Study of Non-response Error Among Sampling Survey

抽样调查的系统性误差控制

Control of Systematic Errors in Sampling Survey

条件的影响是有匹配样本的连续调查特有的计量误差来源。

Condition effect is an important source of non-sampling error in continuous surveys with matched samples .

结果表明，“平均受害丛率”在不同调查者之间的误差小于“平均受害株率”。

The results showed that the error of mean DPRC was lower than that of mean DPRP .

为了消除原始调查数据的随机误差，还采用两倍三天移动平均的方法来对原始数据进行修匀。

To destroy the random error , the original data are smoothed with the method of double 3-day moving average .

非抽样误差是统计调查中除抽样误差以外，由于各种原因而引起的误差，对调查结果的影响非常大。

Except of sampling errors , Non-sampling errors are aroused by all kinds of reasons in statistical survey , and the more important , they can affect the result of survey badly .

该调查是在9月10-24日间进行的，调查结果的最大误差为正负3个百分点。

The poll was conducted Sept.10-24.The maximum margin of error was + / - 3 percentage points .

纽约波基普西学院的调查者对938名美国成年人进行了电话调查，调查的误差率为3.2个百分点。

Pollsters at the Poughkeepsie , N.Y. college surveyed 938 US adults by telephone . The margin of error is 3.2 percentage points .