[PDF] Top 20 A Class of Ratio-Type Estimator Using Two Auxiliary Variables for Estimating The Population Mean With Some Known Population Parameters

... In this section, we computed mean square errors and percent relative efficiencies of the existing and new estimators and the results are given in Tables 2 and 3. We considered the real life data sets by Chattefuee ... See full document

... a class of double sampling difference cum ratio-type estimator was proposed using two auxiliary variables with known population parameters of ... See full document

... the auxiliary information at the estimation stage in order to improve the precision of an estimator of unknown population parameter of ...interest. Ratio, product and regression methods of ... See full document

... generalized ratio-type estimator based on ranked set sampling (RSS) is proposed for estimating population mean using the known population parameters ... See full document

... family. Some well used estimators have been shown as the particular member of this ...suggested estimator with well- known ...proposed class of ... See full document

... the ratio estimators do not work efficiently under situations when the relationship is not linear between the auxiliary and study ...and ratio estimators proposed by (Bahl & Tuteja, ... See full document

... of estimating the population mean in the presence of an auxiliary variable has been widely discussed in finite population sampling ...many ratio, product and regression methods ... 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 auxiliary information in probability sampling has been commonly used device for improving the precision of the estimator of finite population mean or total under ...no auxiliary ... See full document

... modified ratio type estimators are more efficient than earlier Gupta and Yadav ([GY17]) existing ratio type ...modified ratio type estimator, 𝑡 27 ∗ , is the best since it ... See full document

... of population mean in two-phase sampling. A ratio-product estimator of population mean using known coefficient of kurtosis of two auxiliary ... See full document

... that auxiliary information is often used to improve the precision of estimators of population ...of auxiliary information at the estimation stage appears to have started with the work of Cochran ... See full document

... other population parameters such as, the linear regression coefficient, over a period of time and least affected by the sampling ...not known, one may estimate it on the basis of sample observations ... See full document

... difference-cum-ratio type of median estimator for finite population median using two- auxiliary variables in double ...sampling. Using simple random sampling ... See full document

... The ratio estimator was observed to be more precise than the usual sample mean estimator under different conditions for estimating the population mean of the study ...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

... regression type estimator by using an additional auxiliary variable for two-phase sampling when population mean of main auxiliary variable was unknown and his ... See full document

... the population mean X of auxiliary variables X is not known but X is correlated to another auxiliary variable Z whose population mean Z is known, then ... See full document

... of parameters in the presence of measurement ...2001). Some important sources of measurement errors in survey data are discussed in Cochran (1968), Shalabh (1997), and Singh and Karpe (2008, 2010) studied ... See full document

... an estimator of finite population mean using a new regression type estimator with two auxiliary variables for single-phase sampling and investigated its ... See full document