stratified sampling

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Related to Stratified random 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 ?
The sample comprised 151 ESTs (71 male and 80 female) selected through proportional cluster stratified random sampling technique.
While stratified random sampling is the most widely used approach, each state has its own unique guidance for sample design, implementation, and extrapolation.
In November 2010, we re-sampled the Cox's Creek catchment using a stratified random sampling design (hereafter referred to as the 2010 dataset).
Stratified random sampling was used to select subjects from various urban and rural areas of Rawalpindi, and Serum IgG anti-dengue antibodies were detected by using 3rd generation enzyme-linked immunosorbent assay (ELISA).
The sample involves 960 registered unemployed graduates (480 males and 480 females), cutting across different areas of specialization: Arts/Social Science, Basic Science/Technology, Medical/Allied sciences and Agriculture/ Environment, selected through a combination of purposive and stratified random sampling techniques.
Proportionate stratified random sampling technique was used in drawing 15% of the population which gave a total of 500 respondents.
Among them are simple random sampling, stratified random sampling, systematic sampling cluster sampling, two-stage cluster sampling, and estimating the population size.