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math.GM2010★ 5 cited
Ratio Estimators in Simple Random Sampling when Study Variable is an Attribute
Rajesh Singh, Mukesh Kumar, Florentin Smarandache
In this paper we have suggested a family of estimators for the population mean when study variable itself is qualitative in nature. Expressions for the bias and mean square error (…
math.GM2009★ 13 cited
Estimation of Mean in Presence of Non Response Using Exponential Estimator
Rajesh Singh, Mukesh Kumar, Manoj K. Chaudhary +1
This paper considers the problem of estimating the population mean using information on auxiliary variable in presence of non response. Exponential ratio and exponential product ty…