Question: A c - chart plotting the number surface defects on a product is showing 6 points in a row going down, your conclusion is: The

A c-chart plotting the number surface defects on a product is showing 6 points in a row going down, your conclusion is:
The process is in control
The process is showing a special cause of variation but improving
The new operator needs training
The process is showing a special cause of variation and quality is deteriorating

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