Question: After the stamping operation, door panels are periodically selected for a detailed examination in which the number of surface scratches, dents, and other flaws are

After the stamping operation, door panels are periodically selected for a detailed examination in which the number of surface scratches, dents, and other flaws are counted. During today€™s production run, 20 panels were inspected. Given the data in the table, construct a 3-sigma c-chart, then reach a conclusion regarding whether the process is in control.

Panel Number c Number of Surface Defects Panel Number cNumber of Surface Defects 12 13 14 15 16 18 19 20 10

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