stratified sample

British

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 sample See also frame

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Those numbers picked from the first year, picked from the second year, and so on represent the students who make up the stratified sample.

From Textbooks • Mar. 27, 2020

To choose a stratified sample, divide the population into groups called strata and then take a proportionate number from each stratum.

From Textbooks • Sep. 19, 2013

These 18 quiz scores are a stratified sample.

From Textbooks • Sep. 19, 2013

Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample.

From Textbooks • Sep. 19, 2013

Other well-known random sampling methods are the stratified sample, the cluster sample, and the systematic sample.

From Textbooks • Sep. 19, 2013

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