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You are here: Home / Quality Control Tips / When Applying the AQL tables Does or Doesn’t Make Sense

When Applying the AQL tables Does or Doesn’t Make Sense

September 26, 2013

Quality Control TipsHere is the second video about the ANSI tables (also known as “AQL tables”). The previous video is here.

These statistics were designed for a very specific case, and most buyers are not aware of this. As a consequence, they apply these same statistical tables to all types of situations.

I will cover the cases where it makes sense to use the AQL tables:

  • Inspection by attributes
  • Lot-by-lot inspections
  • Normal vs. reduced vs. tightened severity: the switching rules
  • Why single plans are less efficient than double plans

This is not all theory. In each part, I try to mention the key takeaways for buyers.

Can’t see the video? Click here. It lasts 8 min.

You want to download the slides? Click here.

I hope it’s all clear. Don’t hesitate to ask questions in the comments below.

In the next video we’ll expose something that should be shocking to buyers: the statistics behind the AQL tables are clearly in favor of the supplier.

Filed Under: Quality Control Tips


Weekly updates for professional importers on better understanding, controlling, and improving manufacturing & supply chain in China.

This is the official blog of Sofeast.com.

This blog is written by Renaud Anjoran, an ASQ Certified Quality Engineer who has been involved in chinese manufacturing since 2005.

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