[PDF] Top 20 General Class of Ratio-Cum-Product Estimators in Two-Phase Sampling using Multi-Auxiliary Variables

... in Two-phase sampling has been developed and recommended using multi-auxiliary variables for Full Information Case (FIC), Partial Information Case I (PIC-I) and No ... 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

... a general family of estimators using multiple auxiliary attribute in sin- gle- and double-phase ...to ratio estimator which was generalization of Naik and Gupta [12] estima- tor ... See full document

... a general family of estimators using multiple auxiliary attribute in sin- gle and double phase ...to ratio and regression estimator which was generalization of Naik and Gupta ... 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 ... See full document

... survey. Using this idea, Singh [5] proposed a multivariate expression of product estimator where the study variable was negatively correlated with the multi-auxiliary ...a ... See full document

... of two auxiliary variables in the estimation of the population mean of the variable ...the two auxiliary variables are ...the two auxiliary variables may not ... See full document

... , 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

... a class of ratio-cum-product estimator for estimating population mean of study variable for single phase sampling using multi-auxiliary ...existing ... See full document

... proposed two exponential ratio and exponential product type class of ...the estimators have been obtained up to the first order of ...these estimators have been ...the ... See full document

... Suppose two auxiliary variables x 1 and x 2 are observed on U i ( i = 1, ...drawn using simple random sampling without replacement (SRSWOR) from the population U to estimate the ... See full document

... lation ratio (R) of the population means of two variables (y and x) under simple random sampling without re- placement (SRSWOR) scheme, using variable transformation of the ... See full document

... of two auxiliary variables under a two-phase sampling set ...one auxiliary variable is known while that of other is unknown. Using the concept of predictive ... See full document

... a general family of estimators using information on auxiliary ...the auxiliary variables are not available, ...proposed ratio and product type exponential ... See full document

... an auxiliary variable has been widely discussed in finite population sampling ...many ratio, product and regression methods of estimation are good examples in this ...a class of ... See full document

... the auxiliary information either at selection stage or on estimation stage, or at both stages, to improve precision of the estimators of the population ...of using the auxiliary variable at ... See full document

... and auxiliary variable is straight line. Also, much often the extra auxiliary variable that is highly correlated with main auxiliary variable is ...of estimators for the population mean has ... See full document

... a class of ratio estimator for estimating the population mean in simple random sampling using linear combination of two auxiliary variables in single phase ... See full document

... median using two- auxiliary variables in double ...sampling. Using simple random sampling without-replacement scheme (SRSWOR) the estimated mean square error (MSE) and ... See full document

... defined ratio estimator of population mean when the prior information of population proportion of units, possessing the same attribute is available, as follows: ... See full document