US Mint Black Belt Wave

We just finished hosting a great group of Black Belts from the US Mint.  They are a very sharp group, and we’re sure they will finish outstanding projects.

It turned out that the price of hotels and such made meeting in Ogden UT, near the PMG offices, was one of the lower cost alternatives.  When we have a class here, we usually meet at the Alumni Center on the Weber State University campus.  It’s a very pleasant spot, and the food service is excellent.

One question that we helped with is, if you have a bulk bag of 200,000 quarters, how much will the weight of the bag vary from just the normal variation in the weight of individual quarters?  It turns out, not that much.  It’s a problem the class solved using principles of statistical tolerances.


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