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Walter Shewhart: Grand-Daddy Of Quality

Walter Shewhart: Grand-Daddy of Quality

Dr. Deming was amazing, but who was his teacher? Who produced the PDCA Cycle? Who conceived of Statistical Process Control? The modest man behind the scenes, another fascinating product of the Hawthorne Works, was none other than Walter Shewhart. This year would have marked Walter Shewhart’s 126th birthday – truly…

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Today’s Top 7 (or 8…) Quality Tools

Today’s Top 7 (or 8…) Quality Tools

Traditionally, everyone in the process improvement world references the Seven Basic Quality Tools which were promoted by Dr. Kaoru Ishikawa back in the 1950s. Dr. Ishikawa was influenced by Dr. Deming, another quality great, and these are still a very good set of quality tools. But times have changed and…

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Control Chart

Control Chart

Control Charts are time charts designed to display signals or warnings of special cause variation. Special cause variation, as distinct from common cause variation, refers to changes in process performance due to sporadic or rare events indicating that a process is not "in control." The advantage of Control Charts is that they enhance…

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