[PDF] Top 20 Efficient ratio-type estimators of finite population mean based on correlation coefficient

... of ratio-type estimators to estimate nite population mean using known correlation coecient between study variable and auxiliary variable by adopting Singh and Tailor's [Singh, ... See full document

... that efficient use of auxiliary variable improves the performance of ratio ...classical ratio estimator by (Cochran 1977, p151), many authors have suggested some ratio type ... See full document

... 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

... 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 ...(2004) ... See full document

... variables based on average values of the networks in adaptive cluster ...exponential ratio-cum- exponential ratio, exponential product-cum- exponential product, exponential ratio-cum- ... See full document

... as population total, mean, skewness, correlation, attribute ...their ratio, product and exponential type estimators to get more efficient estimator under different ... See full document

... various estimators of C.V across the correlation co-efficient for each value of ...the correlation is moderate to high ...the estimators are high and decreases for moderate or low ... See full document

... of ratio type estimator to estimate population mean for small area on current occasion in repeated ...of population mean for small area on current occasion has been proposed ... See full document

... of estimators using information on auxiliary ...of population proportion possessing an attribute (highly correlated with study variable ...in ratio estimator in estimating population ... See full document

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

... of estimators based on information of two auxiliary ...of mean square errors of the proposed class of estimators are derived in a general ...of estimators is always more ... See full document

... of ratio type estimators in SRSWOR by using the population deciles and coefficient of skewness as auxilliary informat ion are found more efficient than the existing ... See full document

... regression type ratio estimators using known values of the population coefficient of variation, population correlation coefficient, the Gini’s mean ... See full document

... a ratio-cum-product type estimator of finite population mean using known coefficient of kurtosis and median of auxiliary variable has been ...and mean squared error of the ... See full document

... proposed estimators have less mean squared errors than the SRSWOR sample mean and ratio estimator and hence one can easily conclude that the proposed ratio cum median based ... See full document

... existing estimators given by different ...previous estimators nothing but is a ratio ...more efficient estimator whose bias is significantly far much less as compared to previous ... See full document

... median based ratio estimator that uses the population median of the study variableY and shown that the median based ratio estimator performs better than SRSWOR sample mean, ... See full document

... two-parameter ratio-product-ratio type exponential estimator for a finite population mean in simple random sampling without replacement (SRSWOR) following the methodology in the ... See full document

... some estimators of population variance which are based on arithmetic mean, geometric mean and harmonic mean of the usual unbiased, usual ratio and (Singh et ...2009) ... See full document

... estimates based on only study ...sciences. Ratio method of estimation is one of the most popular methods to make use of auxiliary information to estimate the population mean or total of the ... See full document