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   An improved estimator of finite population mean using auxiliary attribute(s) in stratified random sampling under non-response  
   
نویسنده singh r. ,rathore h.
منبع pakistan journal of statistics and operation research - 2014 - دوره : 10 - شماره : 2 - صفحه:147 -155
چکیده    In the present study,we propose a new estimator for population mean using singh et al. (2007) and malik and singh (2013) estimators in the case of stratified random sampling when the information is available in form of attributes under non-response. expressions for the mean squared error (mse) of the proposed estimators are derived up to the first degree of approximation. the theoretical conditions have also been verified by a numerical example. it has been shown that the proposed estimators are more efficient than the traditional estimators.
کلیدواژه Auxiliary attribute; Bias; Combined exponential ratio type estimator; Efficiency; Mean square error; Stratified random sampling
آدرس department of statistics,bhu, India, department of statistics,bhu, India
 
     
   
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