For an $\bar { x }$ chart,the lower and upper control limits are usually set at three standard errors from the centerline.

Name: For an $\bar { x }$ chart,the lower and upper control limits are usually set at three standard errors from the centerline.
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Quizplus · Accepted Answer

This is true. The lower and upper control limits for an $\bar { x }$ chart are typically set at three standard errors from the centerline to help identify if a process is stable and within control.

For An xˉ\bar { x }xˉ Chart,the Lower and Upper Control Limits Are Usually Set at Control

For An $\bar { x }$ Chart,the Lower and Upper Control Limits Are Usually Set at Control