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:: Volume 7, Issue 2 (3-2011) ::
JSRI 2011, 7(2): 121-132 Back to browse issues page
Modified Sampling Strategies Using Correlation Coefficient for Estimating Population Mean
Shashi Bhushan * , Arvind Pandey
, shashi.py@gmail.com
Abstract:   (1410 Views)

This paper proposes two sampling strategies based on the modified ratio estimator using the population mean of auxiliary variable and population correlation coefficient between the study variable and the auxiliary variable by Singh and Tailor (2003) for estimating the population mean (total) of the study variable in a finite population. A comparative study is made with usual sampling strategies and some concluding remarks are given. Finally, an empirical study is included as an illustration which shows that the proposed sampling strategies are better than Singh and Tailor estimator both in terms of unbiasedness and lesser mean square error.

Keywords: Ratio estimator, unbiasedness, mean square error, range prior information
Full-Text [PDF 190 kb]   (209 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/01/10 | Accepted: 2016/01/10 | Published: 2016/01/10
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Bhushan S, Pandey A. Modified Sampling Strategies Using Correlation Coefficient for Estimating Population Mean. JSRI. 2011; 7 (2) :121-132
URL: http://jsri.srtc.ac.ir/article-1-88-en.html


Volume 7, Issue 2 (3-2011) Back to browse issues page
مجله‌ی پژوهش‌های آماری ایران (علمی - پژوهشی) Journal of Statistical Research of Iran JSRI
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