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A frequent question that I’ve been getting is How to Self-Study for a Six Sigma Certification Exam. Self-study will be...

What is a u Chart? Attribute chart: u chart is also known as the control chart for defects per unit chart. It...

In Design of Experiments, blocking involves recognizing uncontrolled factors in an experiment–for example, gender and age in a medical study–and...

One of the biggest challenges Six Sigma students encounter is Hypothesis Testing. There are so many types! And there are...

One of the primary tasks in Six Sigma project implementation is defining the appropriate project management metrics. Project metrics help...

Z scores and process sigma help us know what chance a process has of meeting its target. This article discusses...

Tires have come a long way since they were used 100 years ago. However, there is still a need for...

Building Trust. It’s often overlooked. This oversight leads to project failure. We aim to correct this. By focusing on trust,...

What is an np Chart? Attribute chart: np chart is also known as the control chart for defectives (d-chart). It generally...