He developed his skills while working at Bell Telephone to improve the reliability of their transmission systems, and later improve the voice clarity of the carbon transmitters in the company’s telephone handsets.
Shewhart’s work focused on reducing variation in a manufacturing process. He framed the problem in terms of assignable-cause (special cause) and chance-cause (common cause) variation, and introduced the control chart as a tool for distinguishing between the two.
- C. I. Lewis
- Karl Pearson
- W. Edwards Deming
- American Society for Quality (founding member)
- Indian Statistical Institute
- Western Electric Company
- Shoulders of Giants: Walter Shewhart
- Foundation and History of the PDSA Cycle – Ronald Moen
- Economic Control of Quality Of Manufactured Product
- Statistical Method from the Viewpoint of Quality Control
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