You are involved in monitoring specific project results to determine whether they comply with relevant quality standards. You are suing the control chart to illustrate how the process is behaving over time. You have constructed your control chart and that all data points are within upper and lower control limits of chart. In addition, seven consecutive data points re observed, to be on one side of the mean. Which of the following is your BEST plan of action?
A. Compare results from the last quality management plan
B. No additional action is needed, as the process is within control
C. Adjust the mean based on the observed data points
D. Identify the special cause variation
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