An Insurance company wants to improve the effectiveness of its claim process by monitoring the number of requests received and that require a second call to complete the claim process. Fifteen weeks of data are shown in Table 1. (i) Choose most appropriate control chart and calculate the control limits? (5) (ii) Construct the control chart with the calculated control limits revise control limits if required? (10) Table 1 Week Total requests Second visit required Week Total requests Second visit required 1 200 6 9 100 4 2 250 8 10 100 3 3 250 14 11 100 4 4 250 7 12 200 4 5 200 3 13 200 5 6 200 4 14 200 3 7 150 8 15 200 10 8 150 3