An Exponentially Weighted Moving Average (EWMA) chart is a Six Sigma tool used to monitor process performance by giving more weight to recent data points. Unlike traditional control charts, EWMA charts emphasize recent observations, making them highly sensitive to small shifts in the process mean. This tool helps in early detection of process changes and trends, enabling prompt corrective actions. EWMA charts are effective for continuous monitoring and maintaining process stability, supporting Six Sigma goals by enhancing quality control and reducing variability. They provide valuable insights into process behavior, ensuring efficient and reliable operations.
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