Vyas Dubey, Ujjwal Dubey, Jaya B Rathore
Abstract
In this paper a generalised estimator of variance of ratio estimator has been proposed. It is seen that the suggested estimator is more efficient than existing estimator under certain conditions. Numerical illustrations have been cited to support theoretical results.
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In this paper a generalised estimator of variance of ratio estimator has been proposed. It is seen that the suggested estimator is more efficient than existing estimator under certain conditions. Numerical illustrations have been cited to support theoretical results.
Key concepts: Minimum-variance unbiased estimator, Bias of an estimator, Stein's unbiased risk estimate, Efficient estimator, Statistics, Trimmed estimator, Consistent estimator, Ratio estimator