In table *** = 28

1. An accountant department at a recently opened mall has been having difficulty getting customers to pay the full amount of bills. Many customers are complaining that the bills are not correct and do not reflect what they have purchased. Hence, the department has decided to implement a statistical control chart in its billing process. Based on the collected data illustrated in Table 1. set up a statistical control chart based on average sample size of 118 bills, and determine the control limits for the control chart's. Is the process under control or not? Table 1. The data on the problem Table 2. Parameters Sum of the numbers Sample Weekly Number of incorrect in your student 1D Sample working number 10-13 ho 21 . 45 100 19-23 28 243 40 2 35 28 150 29- 10 1 30 115 4 120 105 Te able the desired with depending on weer in Ex: Ifant Imeri 1/2002 the of the should be com pomohlendid he was where are seen Thiel Windows'utione