Following correction for assignable causes, the following data have been found while collecting inspection data for 20 subgroups. What type of chart would you recommend? What central line and control limits would you use to create a control chart? # Subgroup # Fraction defective defective inspected units units 01-Dec 2385 55 0.023 02-Dec 1451 18 0.012 03-Dec 1935 50 0.026 04-Dec 2450 42 0.017 05-Dec 1997 39 0.020 06-Dec 2168 52 0.024 07-Dec 1941 47 0.024 08-Dec 1962 34 0.017 09-Dec 2244 29 0.013 10-Dec 1238 23 0.019 11-Dec 1641 34 0.021 12-Dec 1782 29 0.016 13-Dec 1993 30 0.015 14-Dec 2382 27 0.011 15-Dec 2132 46 0.022 16-Dec 2345 54 0.023 17-Dec 4233 71 0.017 18-Dec 3445 38 0.011 19-Dec 2991 45 0.015 20-Dec 1789 24 0.013 TOTAL 44504 787 0.359