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Estimation of Finite Population Mean in Two - Phase Sampling With Known Coefficient of Variation of an Auxiliary Character

Author

Listed:
  • Housila P. Singh

    (School of Studies in Statistics, Vikram University - India)

  • Ritesh Tailor

    (Wood Properties and Uses Division, Institute of Wood Science and Technology, Bangalore - India)

  • Rajesh Tailor

    (School of Studies in Statistics, Vikram University - India)

Abstract

In this paper a double (or two-phase) sampling version of (Singh and Tailor, 2005) estimator has been suggested along with its properties under large sample approximation. It is shown that the estimator due to (Kawathekar and Ajgaonkar ,1984) is a member of the proposed class of estimators. Realistic conditions have been obtained under which the proposed estimator is better than usual unbiased estimator usual double sampling ratio ( ) product ( ) estimators and (Kawathekar and Ajgaonkar, 1984) estimator. This fact has been shown also through an empirical study.

Suggested Citation

  • Housila P. Singh & Ritesh Tailor & Rajesh Tailor, 2012. "Estimation of Finite Population Mean in Two - Phase Sampling With Known Coefficient of Variation of an Auxiliary Character," Statistica, Department of Statistics, University of Bologna, vol. 72(1), pages 111-126.
    • Handle: RePEc:bot:rivsta:v:72:y:2012:i:1:p:111-126
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