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Six Sigma SIG February 2018 Meeting

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Gregory Poole Equipment Company

4807 Beryl Road

Raleigh, NC 27606

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Bio: Fang Zhou is a management consultant with 16 years of experience in R&D, manufacturing, and process improvement in the life science industry. He received his Bachelor’s degree from Georgia Tech and Ph.D. from Yale. He is a certified Lean Six Sigma Master Black Belt and Project Management Professional.

Meeting Summary: In the exercise, participants form small groups. Each is given a bag of beads (some red and some white) and scale, and asked to estimate the percentage of red or white beads. They are allowed to sample (with replacement) with a spoon randomly, and weigh each set and count the numbers of red and white beads. I use the data collected to illustrate sample variation, estimation error, p-chart, and linear regression (predicting the total weigh by the number of red and/or white beads). This can be a refresher for people who are familiar with the concepts and tools and a good introduction to those who are new.

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Gregory Poole Equipment Company

4807 Beryl Road

Raleigh, NC 27606

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