¤ 100% inspection can be time-consuming, or destructive.
¤ How many samples to check?
¤ Follow statistics rather than a fixed percentage
¤ Widely used settings:
¤ Normal severity
¤ Level II
Acceptance Quality Limit (AQL)
¤ How to decide if the batch is accepted or rejected?
¤ The buyer and the supplier should agree on AQLs.
¤ Widely used settings for consumer goods in China:
¤ 0% for critical defects (totally unacceptable: a user might
get harmed, or regulations are not respected).
¤ 2.5% for major defects (these products would usually not be
considered acceptable by the end user).
¤ 4.0% for minor defects (there is some departure from
specifications, but most users would not mind it).
Continue at: https://qualityinspection.org/wp-content/uploads/2013/09/How_to-read_the_ANSI_tables_for_single_sampling.pdf
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