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Graphical analysis is a critical part of the Six Sigma approach. Whenever data or ideas can be displayed in a visual format, obvious data trends can be quickly identified and communicated. Visual analysis is extremely helpful when presenting ideas to auxiliary staff or executives, who might not be trained in intermediate or advanced statistics. The […]

During the improvement phase of a DMAIC project, Six Sigma teams brainstorm possible solutions for the root causes identified in the analysis phase and rank those solutions according to costs, how effective the solution would be, and how likely the solution could be implemented. Analytical rankings are used to prioritize and select solutions for implementation.

Moving from the define phase to the measure phase of a project, Six Sigma teams continue to delve into the process, now coming to understand processes more fully through data. The measure phase is often the most laborious phase for the team, especially when data is not already available in digital formats. In this chapter,

If the chapter on the measure phase seemed especially long, it’s because the phase itself is long and requires a great deal of work. Without a strong measure phase, the team cannot move on to analyze data and make data-based decisions that drive improve and control phases. Analyze phases also require a lot of work,

The last stage of a DMAIC project is control. During the control phase, teams build monitors that let them ensure the process continues to work successfully after changes are implemented across the regular business process. At the same time, Six Sigma teams work to transition the process back to the process owner.Up until this point