A Pareto Diagram is a bar chart that re-orders the categories so they are rank-ordered from the largest total occurrences to the smallest.
The Quincunx demonstrates that adjusting a process to “correct” it to the controls actually makes a process more out of control. I always remember it by recalling Bob Barker’s plinko board!
Variation can introduce waste and errors into a process. Six Sigma DMAIC is an excellent framework for reducing variation and waste.
How to determine baseline project sigma is one of the key aspects of the Measure phase. It is part of the data collection plan.
In DMAIC methodology, a data collection plan is created during the Measure phase. It is a tool that focuses your data collection efforts.