X Bar S Control Charts are a type of control chart often used to examine the process mean and standard deviation over time.
A cause and effect matrix is a six sigma tool that prioritizes the key process input variables based on priorities of customer outputs.
The Control phase is the fifth and last phase of a DMAIC process. The main activity in the Control phase is to control the improved process.
Other Designed Experiment Types include one-factor designs like randomized block plans, Latin square designs, and Garaceo-Latin designs.
Response surface modeling is a mathematical and statistical technique useful for developing, improving, and optimizing the process.