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  • 标题:Estimation of Population Total in the Presence of Missing Values Using a Modified Murthy's Estimator and the Weight Adjustment Technique
  • 本地全文:下载
  • 作者:Oyoo David Odhiambo ; Christopher Ouma Onyango
  • 期刊名称:American Journal of Applied Mathematics and Statistics
  • 印刷版ISSN:2328-7306
  • 电子版ISSN:2328-7292
  • 出版年度:2014
  • 卷号:2
  • 期号:3
  • 页码:163-167
  • DOI:10.12691/ajams-2-3-12
  • 语种:English
  • 出版社:Science and Education Publishing
  • 摘要:Use of Murthy’s method in estimation of population parameters, such as population totals, population means, and population variances has been limited to surveys where survey data values are complete. This study applies weight adjustment technique to estimate a population total under simple random sampling without replacement. The asymptotic properties show that the estimated population total is sufficient for the true population total. The proposed estimator is obtained by symmetrizing Murthy’s estimator.
  • 关键词:Murthy’s estimator; missing values; weight adjustment
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