Rajesh Singh

Florentin Smarandache 

Pankaj Chauhan

Nirmala Sawan 

In practice, the information regarding the population proportion possessing certain attribute is easily available, see Jhajj et.al. (2006). For estimating the population mean Y of the study variable y, following Bahl and Tuteja (1991), a ratio-product type exponential estimator has been proposed by using the known information of population proportion possessing an attribute (highly correlated with y) in simple random sampling.

Nirmala Sawan

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