Kelly Paints has decided to use a c-Chart to monitor the number of defects per file cabinet produced by their painting process. The c-Chart should be constructed with 3 -sigma control limits. The production manager randomly samples one file cabinet at 9 successively selected time periods and counts the number of defects on the file cabinet. Table Control Chart Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places.