Results 251 to 260 of about 178,636 (293)

On improvement in estimating population mean in stratified random sampling

open access: yesJournal of Applied Statistics, 2010
Gupta and Shabbir 2 have suggested an alternative form of ratio-type estimators for estimating the population mean. In this paper, we obtained a corrected version for the mean square error (MSE) of the Gupta-Shabbir estimator, up to first order of ...
Nursel Koyuncu, Cem Kadilar
exaly   +2 more sources

On stratified randomized response sampling

Model Assisted Statistics and Applications, 2005
In this paper, we propose a new quantitative randomized response model based on Mangat and Singh [7] two-stage randomized response model. We derive the estimator of the sensitive variable mean, and show that our method is more efficient than other randomized response models suggested by Greenberg et al. [3] and Gupta et al. [4] estimators.
Jea-Bok Ryu   +3 more
openaire   +1 more source

Family of Estimators of Population Mean Using Two Auxiliary Variables in Stratified Random Sampling

open access: yesCommunications in Statistics - Theory and Methods, 2009
A general family of estimators, which use the information of two auxiliary variables in the stratified random sampling, is proposed to estimate the population mean of the variable under study.
Nursel Koyuncu, Cem Kadilar
exaly   +2 more sources

A general class of estimators in stratified random sampling

Communications in Statistics - Simulation and Computation, 2020
In the present paper, a general class of estimators has been proposed for estimating the population mean of the study variable using auxiliary variable when the population mean of the auxiliary var...
Kuldeep Kumar Tiwari   +2 more
openaire   +1 more source

Restricted stratified random sampling

International Journal of Mineral Processing, 1989
Abstract A method of sampling is described which is a compromise between systematic sampling and stratified random sampling. It has less potential for bias than systematic sampling and also avoids the practical problems associated with stratified random sampling.
Ian W. Saunders, Geoffrey K. Robinson
openaire   +1 more source

Randomized response in stratified sampling

Journal of Statistical Planning and Inference, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Christofides, Tasos C.   +1 more
openaire   +3 more sources

Improvement in Estimating the Population Median in Simple Random Sampling and Stratified Random Sampling Using Auxiliary Information

open access: yesCommunications in Statistics - Theory and Methods, 2015
This paper deals with estimation of population median in simple and stratified random samplings by using auxiliary information. Auxiliary information is rarely used in estimating population median, although there have been many studies to estimate ...
ALADAG, Sibel, ÇINGI, HÜLYA
exaly   +2 more sources

On a Problem of Allocation of Sample Size in Stratified Random Sampling

Biometrical Journal, 1985
AbstractIn this paper we shall consider the problem of judging how good an actual compromise allocation is compared to Neyman's optimum allocation for the case of stratified random sampling by obtaining a bound to the ratio of the corresponding variances.
Mukerjee, Rahul, Rao, T. J.
openaire   +2 more sources

Stratified Random Sampling

1986
In forestry practice we often have to deal with populations that can be split up into various sub-populations that in some respect or other are mutual­ly different. Each subpopulation (called stratum, plural strata) in itself then is more homogeneous than the population as a whole. Generally, we wish to ob­tain information for each stratum separately.
openaire   +1 more source

Estimation of Population Means in Multivariate Stratified Random Sampling

Communications in Statistics - Simulation and Computation, 2011
In multivariate surveys where p (> 1) characteristics are defined on each unit of the population, the problem of allocation becomes complicated. In the present article, we propose a method to work out the compromise allocation in a multivariate stratified surveys.
Saman Khowaja   +2 more
openaire   +1 more source

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