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The concept of ranked set sampling (RSS) is applicable whenever ranking on a set of sampling units can be done easily by a judgment method or based on an auxiliary variable. In this work, we consider a study variable Y correlated with auxiliary variable X which is used to rank the sampling units. Further (X, Y) is assumed to have Morgenstern type bivariate generalized uniform distribution. We obtain an unbiased estimator of a scale parameter associated with the study variable Y based on different RSS schemes and censored RSS. Efficiency comparison study of these estimators is also performed and presented numerically.

Estimation of Scale Parameter of Morgenstern Type Bivariate Generalized Uniform Distribution by Ranked Set Sampling