Orlando Crafts has decided to use a c-Chart to monitor the number of defects per chair produced by their manufacturing process. The c-Chart should be constructed with 3-sigma control limits. The production manager randomly samples one chair at 6 successively selected time periods and counts the number of defects in the chair. Table Control Chart     Step 1 of 7 :  What is the Center Line of the control chart? Round your answer to three decimal places.

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