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Sampling plan calculations for quality inspections [infographic]

by Renaud Anjoran in 'Quality Inspection Blog'

Most inspections only involve one or two references, and can be conducted in one man-day (i.e. one inspector on site for one day). However, in certain situations, deciding on a sample plan is very difficult—see my previous article about shipments including many references.

This is one of the most difficult things to explain to my clients. Fortunately, my designer managed to explain it all nicely in this illustration:

Sampling Plan

Renaud Anjoran is the founder of Sofeast Quality Control and helps importers to improve and secure their product quality in China. He writes advice for importers on the Quality Inspection blog. He lives full time in Shenzhen, China. You can contact him at This email address is being protected from spambots. You need JavaScript enabled to view it..

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