Multi-Vari Studies, How to Quickly Find 85% of the Variation in a Product or Service
The name “Multi-Vari” was given to this form of analysis by L.A. Seder in his classic paper “Diagnosis with Diagrams,” which appeared in Industrial Quality Control in January and March 1950. The premise is to utilize graphics to understand where the variation in a process exists. Is it...
Why Measure is so important in Lean Six Sigma DMAIC
The Measure phase of the DMAIC improvement process in Lean Six Sigma is where the rubber meets the road. When you talk about the path of continuous improvement, or even breakthrough improvement, the starting line must be established. How can improvements be quantified if we haven’t established...
Why Integrate Lean and Six Sigma into Lean Six Sigma?
It is abundantly clear that the Six Sigma problem solving approach using the DMAIC (Define, Measure, Analyze, Improve, and Control 5 phased process) is systematic, efficient, and delivers real results. The only issues that arise relate to the use of tools between Lean Enterprise and Six Sigma. ...
How Much Data do I Need?
That is an excellent question that can either have an exacting answer or one that is ambiguous. Formulas exist to calculate an exact answer to the question except that until you collect some data you won’t know the values for some of the variables in the equation. In both cases, either...
The Importance of Planning Data Collection
Whenever we are trying to improve a process, a product, or the delivery of a service information, or data, is required to zero in on the root causes of the problems that are getting in the way of success. Generally, there are numerous questions that we need to answer. The answers are within...
