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Inspection of a sample from a lot to decide whether to accept or not accept that lot. There are two types: attributes sampling and variables sampling. In attributes sampling, the presence or absence of a characteristic is noted in each of the units inspected. In variables sampling, the numerical magnitude of a characteristic is measured and recorded for each inspected unit; this involves reference to a continuous scale of some kind
Predetermined rules for choosing and analyzing samples of production or purchased material based on third-party agreements or previous experience with product, equipment, date, vendor or other characteristics.
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