| 比率估计量均方误差的近似值及其估计量的偏差 |
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| 引用本文： | 张荷观.比率估计量均方误差的近似值及其估计量的偏差[J].江南大学学报(自然科学版),2002,1(2):197-199. |
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| 作者姓名： | 张荷观 |
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| 作者单位： | 江南大学,商学院,江苏,无锡,214063 |
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| 摘 要： | 改进了比率估计的均方误差 ,给出了偏差的价为 1/n3 的比率估计量均方误差及其估计
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| 关 键 词： | 比率估计量 偏差 均方误差的近似值 均方误差近似值的估计 |
| 文章编号： | 1671-7147(2002)02-0197-03 |
| 修稿时间： | 2002年1月10日 |
Bias of Approximate Mean Square Errors of the Ratio Estimator and Its Estimator |
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| ZHANG He-guan.Bias of Approximate Mean Square Errors of the Ratio Estimator and Its Estimator[J].Journal of Southern Yangtze University:Natural Science Edition,2002,1(2):197-199. |
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| Authors: | ZHANG He-guan |
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| Abstract: | Some improvements for the mean square errors of the ratio estimator are presented. The mean square errors and estimated mean square errors for the ratio estimator with bias of order 1/n 3are given. |
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| Keywords: | ratio estimator bias approximate mean square errors estimation of approximate mean square errors |
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