Percentage data – is it continuous or discrete?

I received the following email in response to a previous article about discrete and continuous data.  The exchange has been edited slightly for ease of reading. “Hello Roger.  I enjoyed your posted article regarding discrete and continuous data. I have encountered similar discussions with other Industrial Engineers and Master Black Belts over the years. As […] read more

On June 2nd, 2016, posted in: Six Sigma by Tags: , ,

Waste and Contributors to Waste

We should constantly strive to provide exactly what the customer wants when working on process improvement.  One way to do so is to identify activities that are wasteful and then work to reduce or eliminate those activities.  Waste is defined as an activity that consumes resources but does not add any value for the customer.   […] read more

On May 17th, 2016, posted in: Articles, Six Sigma by Tags: , ,

Evaluating Gage Bias and Linearity

In an earlier article in this series, I introduced some basic issues in measurement systems analysis such as granularity, accuracy, reproducibility, repeatability, stability and linearity.  In this article we will explore in more detail how to evaluate the performance of a measurement system with respect to bias and linearity. Gage bias examines the difference between […] read more

Failure Modes and Effects Analysis (FMEA)

Failure Modes and Effects Analysis (FMEA) is a form of risk analysis that should be applied when designing or changing products and processes.  FMEA is a methodical seven step approach to analyzing a product or process for ways that it can fail, and then taking appropriate actions based on this information.   We will explain the […] read more

On April 15th, 2016, posted in: Six Sigma by Tags: ,