Improvement in Estimating Population Mean using Two Auxiliary Variables in Two-Phase Sampling

Details Improvement in Estimating Population Mean using Two Auxiliary Variables in Two-Phase Sampling Improvement in Estimating Population Mean using Two Auxiliary Variables in Two-Phase Sampling

2008-10-13

arxiv.org/abs/0810.2094v1

Mathematics

General Mathematics

11 pages

Scientific paper

This study proposes improved chain-ratio type estimator for estimating population mean using some known values of population parameter(s) of the second auxiliary character. The proposed estimators have been compared with two-phase ratio estimator and some other chain type estimators. The performances of the proposed estimators have been supposed with a numerical illustration.

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