Synthetic and Runs‐Rules Charts Combined With an X¯ Chart: Theoretical Discussion

Part of this work was supported by the South African Researchers Chair Initiative (SARChI) Chair at the University of Pretoria. Sandile Shongwe’s research was supported in part by the National Research Foundation and Department of Science and Technology’s Innovation Doctoral scholarship (SFH14081591713, Grant number: 95208) as well as Department of Statistics’ STATOMET, and Marien Graham’s research was supported in part by the National Research Foundation (Thuthuka program: TTK14061168807, Grant number: 94102).