E25: Why do we need 30 data samples?

Lean Six Sigma Bursts - A podcast by Brion Hurley

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Business

I saw a recent question in a forum, asking about the origin of the sample size of 30 data points. I decided to read you the response I gave, and make it a new blog post on my website.  Links Article: Why do we need 30 data samples? BIZ-PI.com LeanSixSigmaDefinition.com