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

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

If random sampling is possible, then correlation between individuals within clusters reduces the effective population size, which suggests biologists could collect fewer samples to predict disease prevalence.

From Science Daily • Dec. 18, 2023

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

Then use simple random sampling to choose proportionate numbers of students from the first year and do the same for each of the remaining years.

From Textbooks • Mar. 27, 2020

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