该项调查的抽样误差率在正负5个百分点之间。
The survey's sampling error is plus or minus 5 percentage points.
全国数据根据抽样误差和调查误差进行了修正。
The national total population was adjusted for the sampling error and investigation error.
分层抽样可以减少由简单随机抽样造成的抽样误差。
Stratified sampling can reduce the sampling error associated with simple random samples.
结论：推导并建立多重分层、整群随机抽样误差的计算公式。
CONCL USION: the calculation formulas of multiple - stratifying and clustering random sampling are theoretically set up.
这个指标描述了由异质性而非抽样误差引起效应变异的百分比。
This describes the percentage of the variability in effect estimates that is due to heterogeneity rather than sampling error (chance).
阐述了抽样误差的原理及其在水文分析中的应用，并做实例分析。
This paper mainly discusses principle and application of sample error in hydrological analysis, and analyses an example.
共同社没有提供误差幅度，但是，该规模的投票通常有5个百分点的抽样误差。
Kyodo did not give a margin of error, but a poll of that size would normally have a five percentage point sampling error.
影响偏离的主要因素为时段洪量设计值的抽样误差和典型过程线的形状。
The main factor which may have a strong impact on such a deviation is the sample errors of certain flood volumes in a flood hydrograph.
这项调查抽样误差在正负百分之二，35%的受访者相信飞碟，而31%的人相信巫术。
The survey, which has a sampling error of plus or minus two percent, found that 35 percent of the respondents believed in UFOs and 31 percent in witches.
在数据质量评估中，我们除对抽样误差进行检查外，重点是对非抽样误差和偏差的检查。
Focus in data quality assessment is non-sampling errors and variance, in addition to sampling errors.
影响抽样误差大小有很多因素，如标志变异程度，样本单位数量的多少，抽样方式方法的选择等。
There are many factors that influence the sampling error, such as, extent of mark variation, amount of sample unit and the choice of sampling method, etc.
本文研究了国内外非抽样误差测度的主要方法，将其分为两类：基于设计的方法和基于模型的方法。
This paper studies the main techniques of measuring non-sampling error and classifies them into two classes: based on designs and based on models.
这项调查于7月7日至11日之间开展，共对1288名受访者进行了访问，抽样误差率为正负3.5个百分点。
The poll of 1,288 people was conducted July 7-11 and has a margin of sampling error of plus or minus 3.5 percentage points.
这项调查于7月7日至11日之间开展，共对1288名受访者进行了访问，抽样误差率为正负3.5个百分点。
The poll of 1, 288 people was conducted July 7-11 and has a margin of sampling error of plus or minus 3.5 percentage points.
对有限总体在不放回抽样的方法下，构造了一类非线性回归估计量，讨论了它的性质及其有关抽样误差．。
A kind of nonlinear regression estimator for limited Population is given and the quality and the sampling variance about is discussed.
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.
研究者对抽样误差的影响估计不足，所谓F2株系的小样本抽样，又进一步缩小了株系内变异程度，这就有可能出现假阳性的结果。
Researchers neglected the influence of sampling error, and small samples from F2 populations further reduced the variation. These deficiencies may result in wrong conclusions.
研究者对抽样误差的影响估计不足，所谓F2株系的小样本抽样，又进一步缩小了株系内变异程度，这就有可能出现假阳性的结果。
Researchers neglected the influence of sampling error, and small samples from F2 populations further reduced the variation. These deficiencies may result in wrong conclusions.
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