With Data, Anything Can Happen!

In article 73 in this series, I discussed the issue of whether to transform data.    Students of Six Sigma often think (incorrectly) that there is something inherently wrong with their data if it is not normally distributed.  We should always strive to understand why the data is distributed the way it is and recognize that […] read more

On April 10th, 2019, posted in: Project Management by Tags: ,

PDCA Thinking and Sports Team Performance

The PDCA cycle (Plan-Do-Check-Act) is an iterative four-step approach for managing and improving products and business processes.   Today we will discuss how the PDCA approach is used by sports teams, with an eye toward how this same thinking can be applied to improving the performance of business processes and products. The Plan Phase begins with […] read more

On January 19th, 2019, posted in: Articles, Business Analysis, Project Management, Six Sigma by Tags: ,

Pairwise Ranking: A Six-Step Approach to Evaluating Alternatives

In the Improve phase of a Six Sigma project, we typically need to choose between two or more potential solutions to a problem.  There are several tools to help in making this decision, one of which is pairwise ranking.   Pairwise ranking is used by individuals or teams to qualitatively prioritize a list of alternatives.  There […] read more

Are we solving the right problem?

Students in our Green Belt course analyze and comment on a case study that deals with products that are returned by customers.  They are challenged to discuss what was done well in the case and what could have been done better. The products being returned for credit are data storage systems that are suspected of […] read more