[PDF] Top 20 Mean Estimation under Imputation based on Two-Phase Sampling Design using an Auxiliary Variable

... population mean of the study variable under the two-phase sampling scheme framework, in the presence of a highly positively correlated auxiliary variable, ... See full document

... survey sampling, the estimation of population variance of the variable under study has attracted the attention of large number of statisticians to know the variation in the ...the ... See full document

... estimators based on two auxiliary variables in two-phase ...in two-phase sampling based on two auxiliary ... See full document

... in sampling theory. Auxiliary variables are commonly used in sample survey practices to obtain improved designs and to achieve higher precision in the es- timates of some population parameters such as the ... See full document

... population mean that is decidedly better than some other classes gathering information on two auxiliary variables in a two-phase ... See full document

... In sampling theory, auxiliary information may be utilized at any of these three stages or by combining two or all of the three ...or estimation stage. In whatever case, the use of ... See full document

... study variable. Murthy [5] used auxiliary information in single-phase sam- pling to develop the product estimator for estimation of population ...for using multi-auxiliary ... See full document

... other variable(s) which is correlated with our variable of interest, we can enhance the efficiency of the control chart by the efficient charting ...as auxiliary information and the variable ... See full document

... the variable under study, using a linear combination of ratio estimator based on each auxiliary ...of using multi-auxiliary information in sample survey. Using this ... See full document

... main variable under study is popularly known as auxiliary information which may be fruitfully utilized either at planning stage or at designing stage or at the estimation stage to arrive at ... See full document

... survey variable and auxiliary variable is straight ...extra auxiliary variable that is highly correlated with main auxiliary variable is ...population mean has been ... See full document

... Double sampling is cost effective sampling design, and precision of ratio and regression estimates of study ...Double sampling increases if there is a high degree of correlation between the ... See full document

... of estimation 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

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

... 18. Singh, R., Kumar, M., Singh, R.D., and Chaudhary, M.K. (2008): Exponential ratio type estimators in stratified random sampling, Presented in International Symposium on Optimisation and Statistics (I.S.O.S) at ... See full document

... a phase supplies more current to the load, the auxiliary current source will react to reduce the on ...the auxiliary current source to sense the current information of each ...our design, the ... See full document

... 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 Statistics ... See full document

... estimators using multiple auxiliary attribute in sin- gle- and double-phase ...estimators using multiple auxiliary attributes in single- and two-phase ... See full document

... 1. Abd-Elfattah, A.M. El-Sherpieny, E.A. Mohamed, S.M. Abdou, O.F. (2010). Improvement in estimating the population mean in simple random sampling using information on auxiliary attribute. ... See full document

... According to Table 1 the proposed Ratio-cum-product estimator using multiple auxiliary variables in two phase sampling has the highest Percent relative efficiency compared to mean per un[r] ... See full document