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A new ranked set sample estimator of variance

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Abstract:

Summary.

We develop an unbiased estimator of the variance of a population based on a ranked set sample. We show that this new estimator is better than estimating the variance based on a simple random sample and more efficient than the estimator based on a ranked set sample proposed by Stokes. Also, a test to determine the effectiveness of the judgment ordering process is proposed.

Keywords: Judgment order statistic; Judgment stratified sampling; Relative efficiency; Unbiasedness

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/1467-9868.00331

Publication date: May 1, 2002

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