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stratified random sample

American  

noun

Statistics.

  1. 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.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“The calling list was a stratified random sample, drawn from a list of all Protestant churches,” the group said.

From Washington Times • Nov. 8, 2021

Your anecdotes from your small sampling of friends and family does not equal a stratified random sample.

From Time • Apr. 18, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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