DMAIC is a step-by-step approach for improving existing business processes.
The Six Sigma methodology, DMAIC (Define, Measure, Analyze, Improve, Control), is used when a product or process is in existence but is not meeting customer specifications or is not performing adequately. The Six Sigma DMAIC approach combines statistical and quality management tools to ensure that processes exhibit peak performance, resulting in a dramatic increase in customer satisfaction, productivity, and shareholder value.

The successful deployment of Six Sigma DMAIC requires the application of a wide range of tools, from simple quality tools (e.g., brainstorming or Pareto analysis) to advanced statistical modeling (e.g., regression analysis or designed experiments). The goal is to boost performance, drive better solutions and drastically reduce or eliminate nonconformities (defects) and problems to exceed customer requirements.
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