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This is getting a bit technical, but here goes. The Confidence level is typically 1 minus the selected alpha (risk) level. Since the typical level of alpha is .05 (5% risk), the confidence level is typically 95%. Most people when they talk about this confidence level say “a confidence interval of 95%”. So the terms…
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Elisabeth Swan

Elisabeth is a Master Black Belt at GoLeanSixSigma.com, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. For over 30 years, she's helped leading organizations like Amazon, Charles Schwab and Marriott International, Inc. build problem-solving muscles with Lean Six Sigma to achieve their goals.
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