Improvement of Ratio-Type Estimators
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Victoire Tankou; Sudhakar Dharmadhikari
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Article
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1989
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John Wiley and Sons
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English
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This paper proposes a method for using multi-auxiliary information at both the design and the estimation stages of a sample survey. The proposed method is an extension of the clessical multivariate method of OLKIN (1968). The resulte of AQARWAL and KUMAR (1978) come out aa a special case.