| 比例估计中样本大小的设计方法 |
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| 引用本文： | 张军本,苏本堂.比例估计中样本大小的设计方法[J].山东农业大学学报(自然科学版),2000,31(1):51-54. |
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| 作者姓名： | 张军本 苏本堂 |
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| 作者单位： | 山东农业大学,基础部,山东,泰安,271018 |
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| 摘 要： | 设具有规定属性单元在总体中所占比例为Ｐ，本文讨论了比例估计的几种统计量的性质，证明了逆抽样方法所得的一个Ｐ的无偏统计量，给出了对比例的置信限正态近似时样本大小的计算公式。
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| 关 键 词： | 比例估计 正态 逆抽样 样本大小 |
DESIGNING METHODS OF SAMPLE SIZE IN ESTIMATION OF PROPORTIONS |
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| ZHANG Jun-ben,SU Ben-tang.DESIGNING METHODS OF SAMPLE SIZE IN ESTIMATION OF PROPORTIONS[J].Journal of Shandong Agricultural University,2000,31(1):51-54. |
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| Authors: | ZHANG Jun-ben SU Ben-tang |
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| Abstract: | Let P is the proportion of specific property elements in population This paper describes several estimators of proportion and their properties The author give a proof of P's unbiased estimator from inverse sampling In this paper, we have abtained calculating formulas of sample size for normal approximation to confidence limits of proportions and discussed the methods in practical procedure |
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| Keywords: | normal estimation of proportion simple random sampling inverse sampling |
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