FMEA (Failure Mode Effects Analysis) is a tool that helps us anticipate what might go wrong with a process and identify the possible causes.
Root cause analysis is a collection of tools and processes used to determine the most important causes for an issue we are trying to resolve.
A Cause and Effect Diagram (aka Ishikawa, Fishbone) showing possible causes (process inputs) for a given effect (process outputs).
Cost of Poor Quality (COPQ) is the cost associated with providing poor quality products or services to the customer.
Not all statistics are the same. It’s useful to discern between the various types of statistics when doing analysis.