stratified sampling

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Related to stratified sampling: random sampling, Systematic sampling, Cluster sampling
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Noun1.stratified sampling - the population is divided into subpopulations (strata) and random samples are taken of each stratum
sampling - (statistics) the selection of a suitable sample for study
References in periodicals archive ?
Using stratified sampling technique, undergraduate students of either gender from the health colleges were included.
A total of 223 students from the Colleges of Dentistry, Medicine, Public Health and Preparatory year were selected according to the stratified sampling technique.
0, offers a variety of options for BCA Bootstrap, stratified resampling, custom function iteration, the ability to run up to 1,000,000 iterations with hundreds of score cells (Excel 2007), enhanced stratified sampling capabilities, histograms, an enhanced urn feature, and much more.
Singh and Kumar [19] envisaged a generalized exponential estimator for two auxiliary variables in stratified sampling following Singh et al [20].
The survey was conducted with two sample populations - a total sample size of 263 was covered using a random stratified sampling technique.
Descriptive research may use probability sampling which includes simple random, stratified sampling, proportionate stratified sampling and cluster sampling (Shaughnessy et al 2014).
The survey field work operations will continue for about a month, targeting a sample selected according to the stratified sampling methodology.
The authors selected control schools using stratified sampling to match the RAMP schools on the two strata of level and locale.
At a special session chaired by Weidlinger Senior Associate Adam Hapij, Weidlinger engineers introduced an adaptive stratified sampling methodology that, compared to traditional Monte Carlo methods, permits researchers to minimize the number of calculations necessary to quantify the uncertainty associated with shock testing using either conventional underwater explosions or air-gun loading.
A stratified sampling plan should be used to evaluate within location variation vs.