stratified sampling

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Related to Stratified random sampling: Cluster sampling

stratified sampling

[′strad·ə‚fīd ′sam·pliŋ]
(statistics)
A random sample of specified size is drawn from each stratum of a population.
References in periodicals archive ?
If we adopt a design-based sampling strategy, such as a stratified random sampling scheme, different stratifications can be used to compare different temporal phases of SMNs and determine whether SOC has changed significantly between phases (Arrouays et al.
Keywords: Non-response, Stratified random sampling, Exponential chain estimator, Bias, Mean square error.
In conducting the survey, the social communications arm of the Catholic Church gathered data "through a stratified random sampling design with a plus and minus 3 percent margin of error.
The investigator used stratified random sampling technique for selecting the sample.
ISLAMABAD, 08 April , 2009 (Balochistan Times) -- National Stakeholders Conference will be held on Thursday to share the National findings 2008 of the students from public and private schools selected on stratified random sampling basis.
Contract awarded for Invitation to Quote for Conducting of a Quantitative Community Survey with Stratified Random Sampling
The size of the training pixels are then varied from 10% to 90% by resampling the pixels within the ROI using stratified random sampling technique where nine training sets are generated.