[PDF] Top 20 Efficient Estimator for Population Variance Using Auxiliary Variable

... the auxiliary information plays paramount role in developing and searching improved estimators of population parameters of the study ...The auxiliary information is used at both the stages of ... See full document

... finite population variance has been proposed with objective to produce efficient estimators and properties have been ...a population of size 𝑁 and 𝑌, 𝑋 be two real valued functions having ... See full document

... Median being the middlemost value in a distribution (when the values are arranged in ascending or descending order) has the advantage of being less affected by the outliers and skewed data, thus is preferred to the mean ... See full document

... Proposed estimator which has been subjected to comparisons with previous estimators nothing but is a ratio ...more efficient estimator whose bias is significantly far much less as compared to ... See full document

... current population mean, further extended to develop general theory of estimation in repeated surveys for the current population ...the population variance on current ...an estimator by ... See full document

... the auxiliary and study ...The auxiliary information was used by Samiuddin and Hanif (2007) in two-phase sampling and presented three situations for estimating population parameter ...unbiased ... See full document

... regression estimator on double sampling by making use of auxiliary variables without stratification and obtained their ...regression estimator on double sampling by making use of auxiliary ... See full document

... of population variance using auxiliary variable through optimally searching developed class of modified ratio type estimators of population mean of the study ...of ... See full document

... by using the technique of stratified random ...two population means using auxiliary variable under stratified random sampling through generalized ratio type ...proposed estimator ... See full document

... of auxiliary variable and proposed improved ratio type estimators of population mean, Yan and Tian (2010), suggested the estimators of population mean using coefficient of skewness of ... See full document

... finite population of size N, arbitrarily labelled 1, ...study variable y and the auxiliary variable x, in respect of the i th unit (i=1, 2,… N) of the ...the auxiliary variable x ... See full document

... an efficient estimator for population mean in two-phase sampling using two auxiliary variables following Vishwakarma and Kumar ...proposed estimator is compared with some ... See full document

... finite population of size N, arbitrarily labelled 1, ...study variable y and the auxiliary variable x, in respect of the i th unit (i=1, 2,… N) of the ...the auxiliary variable x ... See full document

... more efficient than the usual unbiased estimator y , ratio estimator in two- phase sampling y R (d ) , two-phase sampling product estimator y P (d ) , two-phase sampling versions of Singh et ... See full document

... of auxiliary information can increase the precision of an estimator when study variable y is highly correlated with auxiliary variable ... See full document

... an estimator of the population mean Y of the study variable y is possible by using information on an auxiliary variable x (highly correlated with the study variable y ) at ... See full document

... more efficient estimators for population total or mean, and they include model-based and design-based ...the population under study is a realization of a random variable having a ... See full document

... type estimator using two auxiliary variables was proposed for estimating the finite population mean of the variable of ...the estimator are ...of estimator performs better ... See full document

... known population parameters such as coefficient of variation, coefficient of kurtosis, coefficient of skewness and correlation coefficient and they are approximately equal to the MSE of 𝑡 𝑝𝑗 at t 1 and t 2 optimum ... See full document

... suggested estimator is smaller than all other existing median estimators for all data ...suggested estimator, we substitute different values of 𝜃 ...median estimator produce the minimum MSE at the ... See full document