RATIO AND RATIO TYPE SEPARATE ESTIMATION FOR POPULATION MEAN USING KNOWN COEFFICIENT OF KURTOSIS
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Abstract
This paper deals with the problem of estimation of finite population mean. A separate ratio and ratio type estimator using the coefficient of kurtosis of the auxiliary variate for the population mean has been suggested. The bias and mean squared error of the suggested estimator have been obtained uptoi the first degree of approximation .The suggested estimator has been compared with the usual unbiased estimator in stratified random sampling ,Separate ratio type estimator and Separate version of singh et al (2004) estimator . An empirical study has been carried out to demonstrate performance of the suggested estimator.References
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