文章基本信息

标题：The non-response in the change of mean and the sum of mean for current occasion in sampling on two occasions
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作者：Amelia V. García-Luengo ; Inmaculada Oña Casado
期刊名称：Chilean Journal of Statistics
印刷版ISSN：0718-7912
电子版ISSN：0718-7920
出版年度：2011
卷号：2
期号：1
页码：63-84
出版社：Chilean Statistical Society
摘要：In this article, we attempt the problem of estimation of the change of mean and the sum of mean in mail surveys. This problem is conducted for current occasion in the context of sampling on two occasions when there is non-response (i) on both occasions, (ii) only on the rst occasion and (iii) only on the second occasion. We obtain the loss in precision of all the estimators with respect to the estimator of the change of mean and the sum of mean when there is no non-response. We derive the sample sizes and the saving in cost for all the estimators, which have the same precision than the estimator of the change of mean and the sum of mean when there is no non-response. An empirical study that allows us to investigate the performance of the proposed strategy is carried out.
关键词：Estimator of the change Estimator of the sum Non-response; Successive sampling.