Z scores and process sigma help us know what chance a process has of meeting its target. This article discusses the relation between the two concepts.
The ASQ Six Sigma Black Belt exam is rigorous. Many people study for months and fail. Here’s How I Passed the ASQ Six Sigma Black Belt Exam
Contingency Tables are a 2-way classification table containing frequencies of how often things appear. Used to test for independence.
Basic Six Sigma Probability functions lay the foundation for higher-order statistical analytics that is required to solve complex problems.
Process performance metrics are used to measure the current and future value of our processes. Learn Six Sigma metrics you can use.