Reducing Variation for Better Quality
Every process has variation, but too much variation leads to defects, customer complaints, delays, and inefficiency. Six Sigma teaches how to measure, analyze, and reduce variation using tools like control charts, capability studies, and statistical tests. When variation is reduced, processes become predictable and consistent—exactly what customers expect. Whether it's delivery times, machine performance, or service quality, controlling variation is key to operational excellence. This mindset helps organizations produce outcomes that meet standards every time. For professionals, understanding variation develops strong analytical skills and positions them as experts in quality improvement.
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