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Statistical Process Control (SPC) System is a method of quality control that uses statistical methods to monitor and control a process to ensure its stability and consistency. It involves collecting and analyzing data to understand variations in the process and to identify any factors that may lead to defects or errors. SPC helps organizations improve the quality of their products or services by identifying and addressing issues in the production process before they result in defects or customer dissatisfaction. It typically involves the use of control charts, process capability analysis, and other statistical techniques to monitor and improve the process over time.