Statistical Process Control (SPC) When to Activate This Skill - "Set up SPC for [characteristic]" - "Calculate Cpk for [process]" - "What control chart should I use?" - "Is this process in control?" - "Interpret out-of-control pattern" - "Conduct capability study" - "What's the difference between Cp and Cpk?" Purpose of SPC SPC uses statistical methods to monitor, control, and improve processes by distinguishing between: - Common cause variation - Normal, inherent process variation - Special cause variation - Abnormal, assignable causes requiring action Why SPC Matters Without SPC: - React on…