The goal of statistical process control is to ensure that the control limits and specifications limits for a process always remain the same.

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The goal of statistical process control is to monitor and maintain a process by detecting and reducing variability within the process. This includes identifying when the process is out of control and making adjustments to bring it back within control limits. Control limits are based on historical data and may be adjusted if there are changes in the process. Specification limits, on the other hand, are determined by customer requirements and may be adjusted if those requirements change. Therefore, the goal is not to ensure that control and specification limits always remain the same, but to ensure that the process is stable and capable of producing within specification limits.

The Goal of Statistical Process Control Is to Ensure That