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: , ,

Six Sigma training – online or classroom?

One of the dilemmas that students face when choosing Six Sigma certification training is whether to attend a live, instructor led course in a traditional classroom setting or an online course.  Both types of delivery have pluses and minuses. In the classroom, you will have the benefit of interaction with your instructor and the other […] read more

On October 22nd, 2016, posted in: Articles, Six Sigma by Tags:

Control Chart Problems and Issues

I have observed a number of problems and issues with the way that Six Sigma students gather data for, create and interpret control charts.  The purpose of this article is to help you avoid these common problems and issues, and to help you understand how to use control charts as part of a Six Sigma […] read more

On September 16th, 2016, posted in: Articles, Six Sigma by Tags:

Baseball Sabermetrics and Six Sigma

The Six Sigma methodology relies on decisions that are made based on facts and data.  One of the challenges in the Analyze phase of Six Sigma is being able to identify what is really going on in a process based on the facts and data that were collected in the Measure phase.  Another challenge is […] read more

On September 4th, 2016, posted in: Articles, Six Sigma by Tags: , ,