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An alternative estimator for multiple characteristics in PPS sampling. (English) Zbl 0563.62007
The problem considered relates to large-scale sample surveys. A new estimator of population total for the characteristics that are poorly correlated with the selection probabilities has been developed for the PPSWR sampling scheme. The relative efficiency of the proposed estimator has been studied under a super-population model. A numerical investigation into the performance of the estimator has also been made.

MSC:
62D05 Sampling theory, sample surveys
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References:
[1] Rao, J.N.K., Alternative estimators in PPS sampling for multiple characteristics, Sankhya ser. A, 28, 47-60, (1966) · Zbl 0146.39803
[2] Cochran, W.G., Sampling techniques, (1963), John Wiley and Sons New York · Zbl 0051.10707
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