SPC Xbar-R chart subgroup size
Hello, Can I know how to justify a reason whether to use the SPC Xbar-R chart subgroup size 5 instead of 3 statistically? Thank you.
View ArticleContinual Improvement Using Simulation and Lean Six Sigma
I will present a webinar this April 14 at 3 pm EDT on the topic of Continual Improvement Using Simulation and Lean Six Sigma. Register for the webinar by visiting...
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Statistical Engineering
Hoerl and Snee (2010) propose a general paradigm for linking statistical thinking with statistical methods and tools to improve quality. They call this paradigm statistical engineering. They define...
View ArticleDefinition of Statistical Engineering
The posting on June 27 introduces the Statistical Engineering paradigm. The posting quotes Hoerl and Snee (2010) defining Statistical Engineering as "as the study of how to best use statistical...
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Use of Statistical Engineering in a Project
Using the definition of Statistical Engineering proposed in the previous posting, the following figure illustrates the use of statistical engineering in a project. That figure will appear in...
View Articlecomments on Gordon Clark "Definition of Statistical Engineering"
Gordon Clark, A couple of thoughts: Objectives are simply what the user of the technology wants to improve – coupled with the explicit parameters he/she does not want to sacrifice (constraints). I...
View ArticleQuality Maturity Assessment
Hello, My company performs cross-team internal audits, between our global mfg. sites. I am seeking out scoring mediums used to produce an ISO 9001:2008 (QMS) Maturity report; such as by using a Radar...
View ArticleThe Theory of Constraint is an Example of Statistical Engineering
The posting on June 27, 2011 introduces Statistical Engineering, and the article by Anderson-Cook et al (2012) discusses the definition of Statistical Engineering proposed by Hoerl and Snee (2010)....
View ArticleThe Steps in Applying the Theory of Constraints
Dettmer (1997) views the Theory of Constraints (TOC) as a System Improvement Strategy. This system viewpoint is the reason why Goldratt chose the term constraint rather than bottleneck. Goldratt...
View ArticleMedical Group Case Study
Womack and Flowers (1999) present a case study involving the application of the Theory of Constraints (TOC) to improve throughput at the 366th Medical Group, an Air Force unit located in Idaho that...
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Patient-Provider Encounter Process
This posting continues the description of an application of the Theory of Constraints to improve the capacity of the 366th Medical Group, an Air Force unit providing inpatient and outpatient services....
View ArticleIntegrated Six Sigma and the Theory of Constraints
Ehie and Sheu (2005) describe an approach to Continuous Improvement (CI) using an integration of the Theory of Constraints (TOC) and Six Sigma (SS). This posting summarizes that approach to CI....
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Integrated Six Sigma and the Theory of Constraints - Axle Factory Case Study
Ehie and Sheu (2005) describe an application of their integrated framework for Six Sigma (SS) and the Theory of Constraints (TOC) by a company supplying vehicular components to automotive...
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Axle Factory Case Study - Phases 3 through 6
This post continues the Case Study illustrating the application of an integrated Six Sigma and the Theory of Constraints (TOC) framework. The Integrated Six Sigma and Theory of Constraints post...
View ArticleAxle Factory Case Study - Conclusions and Questions
Ehie and Sheu (2005) report that the Axle Factory project improvements described in the Axle Factory Case Study Post - Phases 3 Through 6 post saved the manufacturer $200,000 per year. This exceeded...
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