"Statistically based analysis of a process and measurements of process performance, which will identify common and special causes of variation in the process performance, and maintain process performance within limits." (Sandy Shrum et al, "CMMI: Guidelines for Process Integration and Product Improvement", 2003)
[statistically managed process:] "A process that is managed by a statistically based technique in which processes are analyzed, special causes of process variation are identified, and performance is contained within well-defined limits." (Sandy Shrum et al, "CMMI: Guidelines for Process Integration and Product Improvement", 2003)
"Statistical analysis of process performance to identify common and special causes of variation and to quantify the amount of variation in the process. Used to define operational limits on performance parameters to monitor and maintain process performance within limits. See also common cause of process variation, special cause of process variation." (Richard D Stutzke, "Estimating Software-Intensive Systems: Projects, Products, and Processes", 2005)
"Statistical techniques used to monitor, control and improve process performance over time by studying variation and its source." (Atila Ertas, "Transdisciplinary Engineering Design Process", 2018)
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