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

Don’t like the data? Throw it out!

One of the first tasks our Black Belt students are asked to do when completing a project is collect data over time and create control charts for the primary output metric.  The purpose of these control charts is to establish baseline performance, and to determine if the process is stable. One of my students is […] read more

Economic Impact and Project Selection

Our Six Sigma Green Belt course includes a lesson on project selection.  Students are tasked to identify three or more potential improvement projects and make estimates of the cost to plan and execute the projects in dollars as well as the economic impact of completing the projects in dollars.   They then must explain which project […] read more

To Transform Data, or Not to Transform, That is the Question!

In a previous article in this series I discussed whether or not to transform data that is non-normally distributed in order to make the data normally distributed.  In that article I stated the following: “Data that follow a distribution that is either not symmetric or that is symmetric but not bell shaped are said to […] read more

On March 17th, 2018, posted in: Project Management by