VARIED SET SIZE DOULBLE ROBUST EXTREME RANKED SET SAMPLING DESIGN

by Azhar Mehmood Abbasi .

Abstract: In this paper, a varied set size double robust extreme ranked set sampling design (VSDRERSS) and its properties for estimating the population mean are studies. It is evident from the obtained results that, when underlying distribution is symmetric, VSDRERSS provides unbiased and efficient estimates than simple random sampling (SRS). An example using real data is presented for application of the proposed sampling design.

Key Words: Simple random sample, Ranked set sampling, extreme ranked set sampling, double robust extreme ranked set sampling, symmetric distribution

Author:
Azhar Mehmood Abbasi, abbasiqau2007@yahoo.com

Editor: Khaub, James R , jamesRknaub@gmail.com

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