# random sample

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Related to random sample: stratified random sample

## ran·dom sam·'ple

a selection on the basis of chance of individuals or items in a population for research; selection is made in such a way that all members presumably have the same chance of being selected.

## random sample

A population sample selected by a randomisation method designed to ensure that each subject or patient in a target group has an equal chance of being selected for the treatment arm of the study.## random sample

Statistics A population sample derived by selecting individuals, such that each has the same probability of selection; a group of subjects selected in such a way that each member of the population from which the sample is derived has an equal or known chance–probability–of being chosen for the sample. See Sampling.## ran·dom sam·ple

(randŏm sampĕl)Selection on basis of chance of individuals or items in a population for research.

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