random sampling

American  

noun

Statistics.

1. a method of selecting a sample random sample from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.

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Etymology

Origin of random sampling

First recorded in 1895–1900

Example Sentences

For example, when studying age-related brain changes, including more participants at both younger and older age ranges produces more reliable findings than random sampling or concentrating on middle-aged participants.

From Science Daily • Nov. 27, 2024

Pollsters usually attempt to obtain a representative sample through random sampling, where everyone has an equal chance of selection.

From New York Times • Apr. 13, 2024

The data McCarthy used comes from the Healthy Kids Colorado Study, a survey conducted every two years with a random sampling of 41,000 students in middle and high school.

From Seattle Times • Mar. 27, 2023

The sample was drawn through the Ipsos KnowledgePanel, an ongoing panel recruited through random sampling of U.S. households.

From Washington Post • Oct. 14, 2022

Nothing that doesn’t look like a random sampling from the Housewares Department of the Eaton’s Catalogue.

From "Cat's Eye" by Margaret Atwood