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.
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.
How is Lean Different from Six Sigma? Lean eliminates waste, and Six-Sigma eliminates variation. Pick the right tool for the right purpose.