• Corpus ID: 126228019

Estimating the population mean using stratified median ranked set sampling

  title={Estimating the population mean using stratified median ranked set sampling},
  author={Kamarulzaman Ibrahim and Mahmoud Ibrahim Syam and Amer Ibrahim Falah Al-Omari},
  journal={Applied mathematical sciences},
In this paper, stratified median ranked set sampling (SMRSS) method is suggested for estimating the population mean. The SMRSS is compared with simple random sampling (SRS), stratified simple random sampling (SSRS) and stratified ranked set sampling (SRSS). It is shown that SMRSS estimator is an unbiased of the population mean of symmetric distributions and is more efficient than its counterparts using SRS, SSRS and SRSS. 
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Moving Extremes Ranked Set Sampling (MERSS) is a useful modification of Ranked Set Sampling (RSS). Unlike RSS, MERSS allows for an increase of set size without introducing too much ranking error. The
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  • Pakistan Journal of Statistics, 22(3)
  • 2006