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Estimation of population median in presence of non - response under two - phase sampling

Authors:

A. Bandyopadhyay ,

Asansol Engineering College, Asansol-713305, IN
About A.
Department of Mathematics
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G. N. Singh,

Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, IN
About G. N.
Department of Applied Mathematics
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P. Das

Netaji Nagar Day College, Kolkata – 700092, IN
About P.
Department of Mathematics
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Abstract

The present investigation deals with the problem of estimation of population median in presence of non-response under two-phase (double) sampling. Using information on two auxiliary variables, four general classes of estimators have been suggested for four different realistic situations of non – responses. It is shown that several estimators can be generated from our proposed classes of estimators. Proposed classes of estimators are compared with some contemporary estimators of population median under the similar realistic situations. The merits of the proposed strategies have been interpreted through empirical studies carried over three natural populations and one artificially generated population data sets. This establishes effectiveness of the suggested classes of estimators. Suitable recommendations to the survey statistician have been made.
How to Cite: Bandyopadhyay, A., Singh, G.N. & Das, P., (2016). Estimation of population median in presence of non - response under two - phase sampling. Sri Lankan Journal of Applied Statistics. 17(2), pp.110–133. DOI: http://doi.org/10.4038/sljastats.v17i2.7873
Published on 09 Nov 2016.
Peer Reviewed

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