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Journal of Statistics Applications & Probability Letters
An International Journal


Volumes > Vol. 2 > No. 3


Estimation of Population Median in Two-Occasion Rotation Sampling

PP: 205-219
Kumari Priyanka, Richa Mittal,
The problem of estimation of finite population median at current occasion in two occasion successive sampling has been considered using the additional auxiliary variate which is dynamic over time and is readily available at both the occasions. Properties of the proposed estimators including the optimum replacement strategies have been elaborated. The density functions appearing in the results have been estimated by the method of generalized nearest neighbour density estimator related to kernel estimator. The dominance of the proposed estimators is shown over sample median estimator when there is no matching from previous occasion as well as over the ratio type estimator proposed by Singh et al. [H.P. Singh, R. Tailor, S. Singh and J.M. Kim, Journal of the Korean Statistical Society, 36(4), 543-556 (2007)] for second quantile. The behaviours of the proposed estimators are justified by empirical interpretations and validated by means of simulation study with the help of a natural population.

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