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Six Sigma is a process
improvement technique for blending organizational
wisdom with proven statistical tools to improve both the efficiency
and effectiveness of a process. The ultimate goal is to create
economic wealth for the customer and the provider alike.
Six Sigma is a highly disciplined method for improving processes.
The central idea behind Six Sigma is that if you can measure
how many "defects" you have in a process, you can systematically
figure out how to eliminate them and get as close to "zero
defects" as possible.
Leading organizations base Six Sigma around a few key concepts:
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- Critical to Quality:
Attributes most important to the customer
- Defect: Failing to
deliver what the customer wants
- Process Capability: What your
process can deliver
- Variation: What the customer sees and feels
- Stable Operations:
Ensuring consistent, predictable processes to improve what
the customer sees and feels
- Design for Six Sigma: Designing to meet
customer needs and process capability
Six Sigma is itself a process based on the 5 step DMAIC (Define,
Measure, Analyze, Improve, & Control) model.
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