Statistical Process Control Unit Test Examine the given run chart or control chart and determine whether the process is within statistical control. If it is not, identify which of the three out-of-statistical-control criteria apply. A control chart for ( ar{x} ) is shown below. Determine whether the process mean is within statistical control. If it is not, identify which of the three out-of-control criteria lead to rejection of a statistically stable mean. (1 point) Process mean is within statistical control. Process mean is not within statistical control. There are points above and below the control limits. There is a shift upward. Process mean is not within statistical control. One of the points lies above the upper control limit. Process mean is not within statistical control. There is an upward trend which indicates an increase in variation.
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It helps in identifying whether a process is in statistical control or not. The chart typically includes a center line that represents the average value of the quality characteristic being monitored, upper and lower control limits that define the boundaries of Show more…
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