PROCESS CONTROLCUSTOMER & COMPETITIVE INTELLIGENCE FORPRODUCT, PROCESS, SYSTEMS & ENTERPRISE EXCELLENCE DEPARTMENT OF STATISTICSDR. RICK EDGEMAN, PROFESSOR & CHAIR – SIX SIGMA BLACK BELTREDGEMAN@UIDAHO.EDU OFFICE: +1-208-885-4410TATISTICALS Quality Management:Statistical Process Control Statistical Process Control Statistical Process Control (SPC) can be thought of as the application of statistical methods for the purposes of quality control and improvement. Quality Improvement is perhaps foremost among all areas in business for application of statistical methods.Data Driven Decision Making“In God we trust. ... all others must bring data.” --- The Statistician’s CreedSPC is one method that assists in enabling “data-driven decision making”. SPC is a key quantitative aid to quality improvement efforts.Control Charts:Recognizing Sources of Variation• Why Use a Control Chart?– To monitor, control, and improve process performance over time by studying variation and its source.• What Does a Control Chart Do?– Focuses attention on detecting and monitoring process variation over time;– Distinguishes special from common causes of variation, as a guide to local or management action;– Serves as a tool for ongoing control of a process;– Helps improve a process to perform consistently and predictably for higher quality, lower cost, and higher effective capacity;– Provides a common language for discussing process performance.Control Charts:Recognizing Sources of Variation• How Do I Use Control Charts?– There are many types of control charts. The control charts that you or your team decides to use should be determined by the type of data that you have.– Use the following tree diagram to determine which chart wi...
