Twenty milk bottles are selected randomly from a bottling process.the number of unwanted air bubbles obser in each bottle has been tabulated

tabulated. (CLO1/PLO1, 10 Marks) s observed in each bottle has bee Bottle serial no. Number of defect's Bottle serial no. Number o 4 11 3 2 5 12 5 3 7 13 4 4 3 14 3 5 3 15 4 5 16 5 7 6 17 3 8 2 18 7 9 4 19 6 10 8 20 12 (A) Which control chart would you use for the process stability analysis and why2 Compute the center line and two central limits (O LIC and LC )