C4A – Process Capability Analysis by means of Confidence Reliability Calculations

February 24, 2020 @ 9:00 am – 10:00 am


Michael Brodsky


The webinar begins with a discussion of relevant regulatory requirements, as motivation for calculating “confidence/reliability”. Then, some vocabulary and basic concepts are discussed. 

Next, detailed descriptions are given for how to calculate confidence/reliability for data that is either pass/fail (i.e., “attribute” data), normally-distributed measurement data, non-normally distributed measurement data that can be transformed into normality, or non-normally distributed measurement data that cannot be transformed into normality. Spreadsheets are shown as examples of how to implement the methods described in the webinar. A final discussion is provided on how to introduce the methods into a company.

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