2. Bob, the CEO of a large CPA rm, has been monitoring the accuracy of his employees to determine whether the number of errors made by the employees is under statistical control. He sampled 30 accounts and examined them for errors. He found the total number of errors to be 227. (i) Find the average number of errors. (2 pts) ANSWER: (ii) Find the centerline and the 3-sigma control limits for a c chart. (5 pts) LCL = Centerline = UCL = (iii) Using Minitab, generate the appropriate control chart for the data located in the worksheet labeled errors_v24.mwx. Determine whether the process is in control. (Be complete! Be sure to check all the rules!) (4 ptS)