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JSRI 2013, 9(2): 159-177 Back to browse issues page
Some Improvment in the Estimation of Population Mean in Cluster Sampling
M. Sakizadeh *1, A. Gerami
1- , mansoure6611@yahoo.com
Abstract:   (3144 Views)

Gupta and Shabbir (2008) have suggested an alternative form of ratio-type estimator for estimating the population mean. In this paper, we introduced new estimators by mixing two, stratified and cluster sampling method. Then we improved these estimators by using auxiliary variables and introducing new estimators. For sampling in infinite populations with a high geographic dispersion, the population will be divided into some smaller sub-population which leads to dispersion reduction to some extent. This will affect the variance of the estimator. Additionally dividing the population will result in saving cost, time and eases calculations.

Keywords: Auxiliary variables, cluster sampling, estimator, stratified sampling.
Full-Text [PDF 198 kb]   (1573 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/12/22 | Accepted: 2015/12/22 | Published: 2015/12/22
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Sakizadeh M, Gerami A. Some Improvment in the Estimation of Population Mean in Cluster Sampling. JSRI. 2013; 9 (2) :159-177
URL: http://jsri.srtc.ac.ir/article-1-62-en.html


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Volume 9, Issue 2 (3-2013) Back to browse issues page
مجله‌ی پژوهش‌های آماری ایران Journal of Statistical Research of Iran JSRI
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