[PDF] Top 20 Improved Estimators of Population Mean Using Two Auxiliary Variables in Stratified random Sampling

... 13. Singh, R., Kumar, M., Singh, R.D., and Chaudhary, M.K. (2008): Exponential Ratio Type Estimators in Stratified Random Sampling. (Proceedings of International Symposium on Optimisation and ... See full document

... p auxiliary variables under simple random ...Simple Random Sampling comes with relatively low levels of precision especially with regard to the fact that its vari- ance is greatest ... See full document

... 8. Koyuncu, N. and Kadilar, C. (2009(b)). Family of estimators of population mean using two auxiliary variables in stratified random sampling. ... See full document

... set sampling m independent random samples each of size m are chosen and the items in each sample are selected with equal probability and without replacement from a finite population of size ...each ... See full document

... finite population mean using known coefficient of kurtosis and median of auxiliary variable has been ...and mean squared error of the proposed estimator with large sample approximation ... 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 ... See full document

... of population variance in presence of random non-response are discussed on the assumption that either population mean or both population mean and variance of the auxiliary ... See full document

... propose two combined exponential ratio type estimators for finite population mean utilizing information on the auxiliary attribute(s) under ...proposed estimators are derived up ... See full document

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

... developed improved estimators using ratio-cum-product estimation method with multi- auxiliary variables in two phase ...These estimators satisfied the full, no and partial ... See full document

... suggested estimators using some known population parameters of an auxiliary ...of estimators in simple random ...in stratified random ...of estimators ... See full document

... double sampling was first proposed by Neyman [1] in sampling human populations when the mean of auxiliary variable was ...regression estimators for multi-phase sampling while ... See full document

... paper, two modified factor-type estimators with two auxiliary variables for population mean have been ...suggested estimators have been derived up to first order ... See full document

... the population ratio (R) of the population means of two variables (y and x) under Simple Random Sampling (SRS) scheme, using a variable transformation of the ... See full document

... the population mean in simple random sampling using linear combination of two auxiliary variables in single phase sampling with assumed known ... See full document

... 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

... developed estimators of finite population mean using Mixture Regression estimators using multi-auxiliary variables and attributes in two-phase ... See full document

... of estimators in two-phase sampling using two auxiliary ...and mean squared error  MSE  are obtained up to the first order of ..., two-phase ratio estimator ... See full document

... a random variable y and  respectively for i th unit  i  1, ...the population with respect to the presence or absence of an attribute, say  , and it is assumed that attribute  takes only two ... See full document

... MSE values of the k 1 , k 2 , y N and y M estimators have been obtained. These values are given in Table 2. When we examine Table 2, we observe that the proposed y M 4 estimator has the smallest. From Table 2 we ... See full document