Six Sigma DMAIC Process - Control Phase - Statistical Process Control

SPC was developed by Walter Shewhart in 1924. Traditionally SPC has been used to monitor and control the output parameters of the process (Y’s).

SPC is used to analyze and control process performance, proactively control processes, distinguish between natural and assignable variation, identify and prevent process from Special causes and involves the use of Control Charts to determine if a process is operating “in control”.

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