Meaning of “random sample” in the English Dictionary

"random sample" in Business English

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random samplenoun [ C ]

uk us

MARKETING a group of people, data, etc. that is chosen from a larger group without using any system, plan, or rule:

The survey interviewed a random sample of 850 adults.
random sampling

Fraud is kept down by random sampling.

(Definition of “random sample” from the Cambridge Business English Dictionary © Cambridge University Press)