双抽样下对数乘积型估计量的总体方差估计

IF 0.9 Q3 STATISTICS & PROBABILITY

Journal of Reliability and Statistical Studies Pub Date : 2019-10-10 DOI:10.13052/jrss2229-5666.1222

Prabhakar Mishra, Rajesh Singh, S. Khare

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引用次数: 1

摘要

经验表明，当适当地结合辅助信息时产生更有效和精确的估计。Mishra等人（2017）介绍了一种对数型估计器，用于在简单随机抽样中使用辅助信息估计未知总体平均值。在这里，我们提出了一个改进的对数乘积型估计的总体方差在双重抽样。对估计量的性质进行了数学和数值研究。

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ESTIMATION OF POPULATION VARIANCE IN LOG – PRODUCT TYPE ESTIMATORS UNDER DOUBLE SAMPLING SCHEME

It is experienced that auxiliary information when suitably incorporated yields more efficient and precise estimates. Mishra et al. (2017) have introduced a log type estimator for estimating unknown population mean using ancillary information in simple random sampling. Here we propose an improved log-product type estimator for population variance under double sampling. Properties of the estimators are studied both mathematically and numerically.

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来源期刊

Journal of Reliability and Statistical Studies STATISTICS & PROBABILITY-

CiteScore

1.60

自引率

12.50%

发文量