Mathematics
8 years ago

Ranked Set Sampling Boosts Efficiency of Population Mean Estimation.

World Academy of Science, Engineering and Technology, International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering
Ratio Type Estimators of the Population Mean Based on Ranked Set Sampling
Said Ali Al-Hadhrami

Paper Summary

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Ranked set sampling (RSS) is a method to estimate the average of a group more efficiently than simple random sampling. By using a concomitant variable, a new ratio estimator based on RSS was found to be more accurate than the one based on simple random sampling. The researchers in this study suggested some ratio type estimators based on RSS that are more efficient than those using simple random sampling.