February 08, 2008

Six Sigma framework

The practice of six sigma takes the form of projects conducted in phases generally referred to recognized as define- measure - analyze- improve- control (DMAIC0. Afrer the define phase of a project, key process characteristics are identifiedm studied and benchmarked in the measure and analyze phases. Then in the improve phase a process in changed to gie a better or optimized performance. Finally, the control phase then ensures that the rresulting gains are sustained eond the competion of the project.

The use of statistical thinking is a common thread through these phases, with measured data prociding an indispensable proxy for realities and facts. Thus, Harry and Schroeder presented Six Sigma as a disciplined method of using extremely rigorous data gathering and statistical analysis to pinpoint sources of erroes and ways of eliminating them. The levels of competence of personnel executing the projects ar eclassified orr laeld as Master Black belts, Black Belts, Green Belts and so on


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