Quality Pioneers – The Evolution of Six Sigma – First in a Series

One of the first assignments in our Black Belt course deals with the origins of the continuous improvement approach that we know today as Six Sigma.  Many students are surprised to learn that the body of knowledge and the tools and techniques have been evolving for well over 100 years. This article is the first […] read more

On January 20th, 2017, posted in: Articles, Six Sigma by Tags: ,

What Six Sigma tool should I use?

Figuring out what tools to use during the course of a Six Sigma project is a challenge.  Not all tools will be used on all projects.  The analogy I use in the classroom is a mechanic with a toolbox.  In the tool box are different types of tools – screwdrivers, wrenches, pliers, and so on.  The tool […] read more

On January 2nd, 2017, posted in: Articles, Six Sigma by Tags:

How often should we measure performance?

Frequency of measurement is an issue that we often grapple with when evaluating and improving performance.  Today we will discuss how often we should collect and analyze performance data.  There is a trade-off to be made between the time and effort to collect data frequently, and the lack of knowledge and feedback that result when […] read more

On December 22nd, 2016, posted in: Project Management by

You can’t judge a book by its cover

In our Green Belt program we have an exercise where students create a histogram from a set of data.  Most students use Excel to create their histogram, and here is the resulting graph: When submitting their work, students quite often include a statement to the effect that the data is “normally distributed” because it appears […] read more

On November 3rd, 2016, posted in: Articles, Six Sigma by Tags: , ,