Which of the following is a signal of special cause?
Posted: Mon Oct 02, 2023 11:43 am
One data point above the Upper Control Limit
One data point below the Lower Specification Limit
3 points in a row above the average
4 points in a row below the average
One data point below the Lower Specification Limit
3 points in a row above the average
4 points in a row below the average