sample(redirected from multi-stage random sample)
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Related to multi-stage random sample: Cluster sampling
(science and technology)
Representative fraction of material tested or analyzed in order to determine the nature, composition, and percentage of specified constituents, and possibly their reactivity.
A selection of a certain collection from a larger collection.
A small specimen of material, or a single unit of many such items to be furnished, which is in conformity with the requirements for the specifications; furnished for review and approval; establishes standards by which work will be judged.