Improved Ratio Type Estimator Using Two Auxiliary Variables under Second Order Approximation
2014 ◽
Vol 2
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pp. 179-190
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2011 ◽
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pp. 2746-2749
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pp. 739-750
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pp. 1-12
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pp. 418-434
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2021 ◽
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Vol 53
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pp. 677-686
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