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stratified sample

noun

statistics a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sampleSee also frame (def. 13)

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Words nearby stratified sample

stratificational grammar, stratified, stratified charge engine, stratified epithelium, stratified random sample, stratified sample, stratiform, stratiformis, stratify, stratig., stratigraphy
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