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What to Do When it's Not a Bell Curve

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Category Webinar

Deadline: May 18, 2018 | Date: May 18, 2018

Venue/Country: USA, U.S.A

Updated: 2018-05-08 17:52:52 (GMT+9)

Call For Papers - CFP

Description :

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.


Speaker Name: William A. Levinson

Price : $ 179

Friday, May 18, 2018

EST 13:00

Duration : 60 Minutes

Tel: +1-844-216-5230


Keywords: Accepted papers list. Acceptance Rate. EI Compendex. Engineering Index. ISTP index. ISI index. Impact Factor.
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