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

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

From New York Times

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

While my random sampling of stolen checks numbered just 20, the resulting confusion was enough to leave experts scratching their heads.

From New York Times

“What we are seeing is more visits from AHCA, and they want to look at every patient file. They used to do a random sampling but now they want every single record,” Gallagher said.

From Seattle Times