C4A – Better Alternatives to AQL Sampling Plans for Risk Management in Incoming QC

When:
May 15, 2019 @ 10:00 am – 11:30 am
2019-05-15T10:00:00-07:00
2019-05-15T11:30:00-07:00
Where:
webinar

https://www.compliance4all.com/control/w_product/~product_id=502498LIVE/~sel=LIVE/~John_N.%20Zorich/~Better-Alternatives-to-AQL-Sampling-Plans-for-Risk-Management-in-Incoming-QC

$150

By John N Zorich

The pros and cons of the 2 most widely used sampling plans (ANSI Z1.4, and Squeglia’s C=0) are examined in detail, focusing especially on the weaknesses of such plans in regards to meeting regulatory requirements. Real-world examples are provided for how using such sampling plans leads to production of non-conforming product.

The advantages of “confidence/reliability” calculations are explained. Such calculations are demonstrated for Attribute data (pass/fail, yes/no data) as well as for variables data (i.e., measurements). If variables data is “Normally distributed” the calculations are extremely simple. The webinar explains how to handle “non-Normal” data, and provides the methods, formulas, and tools to handle non-normality.

The webinar includes a discussion of how one OEM manufacturer has implemented “confidence/reliability” calculations instead of AQL sampling plans for all of its clients. And suggestions are given for how to use “confidence/reliability” QC specifications instead of “AQL” QC specifications. The use of “reliability plotting” for assessing product reliability during R&D is also discussed. The webinar also includes an examination of ISO and FDA regulations and guidelines regarding the use of statistics, especially in regards to Sampling Plans.

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