Donald Wheeler has over forty years of experience in the study, practice and collaboration in data analysis. In “Twenty Things You Need to Know”, he shares this experience in the form of questions and answers. What are two mistakes in data analysis? Mistake one: “Interpreting the routine variation of noise as if it amounted to …
Tag Archives: ProcessBehaviourCharts
Gain insights by using control charts to analyse your performance test results
On Friday 16 May 1924 Walter Shewhart gave his manager at Bell Telephone Laboratories a memo. The memo “suggested a way of using statistics to improve quality in telephones.[1]” Shewhart’s memo proposed using Statistical Process Control, including Control Charts for visualisation, to improve quality. Shewhart sparked “a revolution in quality control”[2] that can help us …
Continue reading “Gain insights by using control charts to analyse your performance test results”
TestAndAnalysis 