Sankhya: The Indian Journal of Statistics

1996, Volume 58, Series B, Pt. 1, pp. 84--89

IMPROVED PRODUCT ESTIMATORS

By

SHARAD BHATNAGAR,  CCS Haryana Agricultural University

SUMMARY.  The paper presents a comparative study of product estimators proposed by Robson (1957), Srivastava and Bhatnagar (1981), Singh (1989) and Dubey (1993). It is observed that the Srivastava and Bhatnagar's estimator gives a better performance.

AMS (1980) subject classification.  62D05.

Key words and phrases. Relative bias, relative mean squared error, symmetric bivariate distribution.

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