The Six Sigma Methodology can be defined as one of the many highly controlled approaches in process management. It helps companies boost their profits and trim down on costs. With the use of Six Sigma Methodology, companies are able to produce the finest products and services, higher proceeds and retain more satisfied customers. The Six […] Read more

Correlation is a tool used in Six Sigma. It’s defined as any of a broad class of statistical relationships involving dependence, while dependence refers to any statistical relationship between two random variables or two sets of data. Every day, there is an existence of correlation, take the case of the physical resemblance of parents and their children, the correlation of […] Read more

The 5 Whys is another Six Sigma tool used to effectively uncover any underlying causes to a problem. Unlike most Six Sigma tools, 5 Whys doesn’t need statistical data or hypothesis. This simple technique is used in Six Sigma’s Analyze phase in the DMAIC model and is very similar to a child’s series of “Whys”. […] Read more

FMEA or Failure Mode and Effects Analysis is the systematic procedure or tool in determining possible failure modes of any given process, product or design. It is a step by step course of action that analyzes each phase or progression of the study. FMEA will also take into consideration the potential effects of the failures […] Read more

The Pareto principle also known as the 80-20 rule derived from the Italian economist Vilfredo Pareto’s observations about the factor of sparsity which states that 80% of the effects are coming from 20% of the causes. This also holds true to the business’ rule of thumb that 80% of the sales are contributed by only […] Read more

Root Cause Analysis is a procedural approach that aims to identify the factors that had an impact on the nature, extent, place, and timing of a harmful result to one or more past events with an objective of identifying the factors that will prevent the harmful outcomes to arise again. Root Cause Analysis (RCA) also […] Read more

SIPOC is a high level management tool that simplifies the variables of any given process into five segments. SIPOC is the acronym of these five segments: S for suppliers, I for inputs, P for process, O for output and C for customers; A basic SIPOC diagram would look like this:

There are quite a few quality management tools used in Six Sigma. You will find that most of them are more applicable only for certain DMAIC or DMADV phases, and each one phase might use more than one tool. Some of the tools are only suitable to a specific industry and completely irrelevant to others. […] Read more

The utmost level in the Six Sigma hierarchy is the Master Black Belt. Also known as MBB, this professional has achieved the maximum degree of certification and training in the whole Six Sigma process. Because of the extensive and comprehensive training, they have the ability to go to any company, regardless of the type of […] Read more

To become a certified Six Sigma Black Belt, a Green Belt professional must complete an extensive four-week training course, implement at least two or more Six Sigma projects, and pass a theory test on Six Sigma methodologies.

The Six Sigma Green Belt level comes right after the initial Yellow Belt in the Six Sigma professional hierarchy. Professionals in this level act as an intermediary between Yellow Belt professionals and Black Belt professionals. Green Belts have two major jobs: the first is to successfully assist in organizing the Six Sigma methods, and second […] Read more