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Results May Not Vary
Controlling manufacturing processes so that products meet customer specifications is difficult. In such situations, factorial experimentation can be the key to understanding the impact of each process input on the process outputs....
For Starbucks, It's in the Bag
When voice-of-the-customer data showed Starbucks Coffee Co. needed to improve the packaging of its one-pound coffee product, it set out to learn the effects of process parameters on the key packaging quality characteristics....
Calculated Decision
When suppliers create control charts and run capability analyses, they assume their data follow a normal distribution. However, the natural distribution of these quality characteristics—and hundreds more like them—is not the normal distribution....
