stratified random sample

noun Statistics.

a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum.

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Words nearby stratified random sample

stratification, stratificational grammar, stratified, stratified charge engine, stratified epithelium, stratified random sample, stratified sample, stratiform, stratiformis, stratify, stratig.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020