Statistical Process Control
What is Statistical Process Control (SPC)?Statistical Process Control commonly referred to as SPC is a method for monitoring, controlling and, ideally, improving a process through statistical analysis. The philosophy states that all processes exhibit intrinsic variation. However, some processes exhibit excessive variation that produces undesirable or unpredictable results. SPC, in a manufacturing process optimization context, is used to reduce variation to achieve the best target value. The four basic steps of Statistical Process Control include:
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