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Abstract
This article suggests a model-assisted variance estimator for the ordinary ratio estimator under the Midzuno-Sen sampling scheme. To compare the suggested estimator empirically with available estimators a Monte Carlo comparison is carried out using real populations. The suggested estimator has performed very well and has taken non-negative values with probability 1.
Keywords
M-S sampling scheme
Model-Assisted estimator
Non-negative variance estimation.
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Patel, P. A., & Patel, J. S. (2012). Model-Assisted Nonnegative Variance Estimator of the Ratio Estimator under the Midzuno-Sen Sampling Scheme. Pakistan Journal of Statistics and Operation Research, 8(1), 55-63. https://doi.org/10.18187/pjsor.v8i1.175