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Nelson Lloyd

Lloyd Steadman Nelson was an American statistician best known for developing the Nelson rules, a foundational methodology in statistical process control.

Lived
1873–2013
Nationality
American
Language
English
Notable works
Nelson rules

Lloyd Steadman Nelson was an American statistician who made significant contributions to the field of quality control. Active during the twentieth century, his work focused on the application of statistical methods to monitor and improve industrial and manufacturing processes.

Nelson is best known for developing the "Nelson rules," a widely used statistical process control methodology. These rules provide a systematic framework to determine when a process has deviated from a state of statistical control, allowing practitioners to identify and address non-random patterns in data.