Authors: Rajesh Singh, Pankaj Chauhan, Nirmala Sawan, Florentin Smarandache
A general family of estimators for estimating the population variance of the variable under study, which make use of known value of certain population parameter(s),is proposed. Some well known estimators have been shown as particular member of this family. It has been shown that the suggested estimator is better than the usual unbiased estimator, Isaki’s (1983) ratio estimator, Upadhyaya and Singh’s (1999) estimator and Kadilar and Cingi (2006). An empirical study is carried out to illustrate the performance of the constructed estimator over others.
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