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1. What is the primary use of a control chart with respect to process management?
Determining whether the process output meets customer requirement
Determining the mean and standard deviation of the process output
Discriminating between special cause and common cause variation within the process
2. Why would a control chart be used with a process during the Analyze phase of a Lean Six Sigma project?
A control chart is not used during the Analyze phase of a Lean Six Sigma project
To determine the source of variation in the process
To determine whether the variation is due to common causes or special causes
3. How many special causes are shown on this control chart?
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