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IMPROVEMENT ON ESTIMATING MEDIAN FOR FINITE POPULATION USING AUXILIARY VARIABLES IN DOUBLE-SAMPLING
Author(s) -
Muhammad Aamir,
Ani Shabri,
Muhammad Ishaq
Publication year - 2018
Publication title -
jurnal teknologi
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.191
H-Index - 22
eISSN - 2180-3722
pISSN - 0127-9696
DOI - 10.11113/jt.v80.10851
Subject(s) - estimator , mathematics , statistics , mean squared error , simple random sample , population mean , ratio estimator , sampling (signal processing) , population , bias of an estimator , efficiency , minimum variance unbiased estimator , computer science , medicine , environmental health , filter (signal processing) , computer vision
The aim of the study is to suggest a difference-cum-ratio type of median estimator for finite population median using two-auxiliary variables in double sampling. Using simple random sampling without-replacement scheme (SRSWOR) the estimated mean square error (MSE) and BIAS are computed for the new suggested median estimator. The suggested median estimator has a smaller MSE than all other median estimators currently in practice, showing a valid contribution to the literature. In addition some members of the suggested estimator and theoretical comparison of MSE are also computed. Finally, the numerical and graphical comparison of percent relative efficiency (PRE) is also computed for five different real data sets.

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