| 抽样调查中样本异常值的测量 |
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| 引用本文： | 李培军.抽样调查中样本异常值的测量[J].大连海事大学学报(社会科学版),2009,8(1):45-47. |
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| 作者姓名： | 李培军 |
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| 作者单位： | 东北财经大学,统计学院,辽宁,大连,116025 |
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| 摘 要： | 抽样调查中，从差异较大的总体抽取样本通常会产生异常值，而样本变量异常值的存在将直接影响抽样估计的准确性与有效性。探讨样本异常值对抽样估计中样本均值、样本方差、抽样方差的影响及其测量方法。
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| 关 键 词： | 抽样调查 样本变量 异常值 |
Sample abnormal value measurement in sampling investigation |
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| LI Pei-jun.Sample abnormal value measurement in sampling investigation[J].Journal of Dalian Maritime University:Social Science Edition,2009,8(1):45-47. |
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| Authors: | LI Pei-jun |
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| Institution: | College of Statistics;Dongbei Univ.of Finance and Economics;Dalian 116025;China |
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| Abstract: | In sampling investigation,you may have the abnormal value if you extract samples from a batch of samples with large tolerance,the sample variable abnormal value will influence the accuracy and the validity of the sample estimation.The paper discussed the influence and the measure method of the sample abnormal value relative to the sample mean,the sample variance and the sampling variance. |
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| Keywords: | sample investigation sample variable abnormal value |
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