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  4. Estimation of a Ratio in the Finite Popu ...

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Estimation of a Ratio in the Finite Population
Volume 16, Issue 3 (2005), pp. 347–364
Danutė Krapavickaitė   Aleksandras Plikusas  

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https://doi.org/10.15388/Informatica.2005.103
Pub. online: 1 January 2005      Type: Research Article     

Received
1 November 2004
Published
1 January 2005

Abstract

Estimation of the ratio of two totals is considered, when a probability sample from the finite population is available. Four estimators of the ratio are examined. The first one – called “simple” – is the ratio of the Horvitz–Thompson estimators of totals; the second – the ratio of two ratio estimators of totals; the third one – the ratio of two regression estimators of totals. The fourth one is a calibrated estimator of the ratio. The variances of these estimators are compared. The properties of such estimators of the ratio are studied. The simulation results are presented.

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Keywords
finite population probability sample ratio of two totals calibrated estimator

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INFORMATICA

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