The Cutting Edge of Medical Technology Content, Community & Collaboration
Time: May 18, 2018 from 1pm to 2pm
Street: 9106 Seven Locks Road
Website or Map: https://www.compliancetrainin…
Event Type: online, /, webinar
Organized By: Sam Miller
Latest Activity: May 10, 2018
Statistical process control (SPC), process performance indices (Ppk), and acceptance sampling by variables (ANSI/ASQ Z1.9, or formerly MIL-STD 414) rely on the assumption that the process data follow the normal or bell curve distribution. This distribution is far more common in textbooks than in the real world. Generally accepted and off the shelf methods are however available for SPC and process performance analysis for non-normal distributions.
While we are not aware of formal sampling plans for non-normal distributions, it is however possible to get a confidence limit for the nonconforming fraction in a homogeneous production lot. As an example, we can be 95% confident that the nonconforming fraction is no greater than a certain percent depending on the sample data and sample size.
Areas Covered in the Session :
Who Will Benefit:
Manufacturing and quality engineers and technicians
William A. Levinson, P.E., FASQ, CFPIM, is the owner of Levinson Productivity Systems PC. He holds professional certifications from the American Society for Quality, APICS, and Society of Manufacturing Engineers.