- Author
- Shukla Diwakar (Dr. Hari Singh Gour Central University), Pathak Sharad (Dr. Hari Singh Gour Central University), Thakur Narendra Singh (Banasthali University)
- Title
- Estimation of Population Mean Using Two Auxiliary Sources in Sample Surveys
- Source
- Statistics in Transition, 2012, vol. 13, nr 1, s. 21-36, tab., bibliogr. 35 poz.
- Keyword
- Statystyka, Badania empiryczne, Estymatory
Statistics, Empirical researches, Estimators - Note
- summ.
- Abstract
- This paper proposes families for estimation of population mean of the main variable under study using the information on two different auxiliary variables under simple random sampling without replacement (SRSWOR) scheme. Three different classes of estimators are constructed, examined with a complete study with other existing estimators. The expression for bias and mean squared error of the proposed families are obtained up to first order of approximation. Usual ratio estimator, product estimator, dual to ratio estimator, ratio-cum-product type estimator and many more estimators are identified as particular members of the suggested family. Expressions of optimization are derived and theoretical results are supported by numerical examples. (original abstract)
- Accessibility
- The Main Library of the Cracow University of Economics
The Library of Warsaw School of Economics
The Library of University of Economics in Katowice
The Main Library of Poznań University of Economics and Business
The Main Library of the Wroclaw University of Economics - Full text
- Show
- Bibliography
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- Cited by
- ISSN
- 1234-7655
- Language
- eng