Salentijn, Willem; Antony, Jiju; Douglas, Jacqueline - In: The TQM Journal 33 (2021) 8, pp. 1633-1646
Purpose: COVID-19 has changed life as we know. Data are scarce and necessary for making decisions on fighting COVID-19. The purpose of this paper is to apply Six Sigma techniques on the current COVID-19 pandemic to distinguish between special cause and common cause variation. In the DMAIC...