Five data entry operators work of Data Processing department each day for 20 working days the number of defective records in a sample of 250 records. A three-sigma control chart for monitoring the number of defective records is created below. With an upper limit of 0.0749 and an lower limit of 0.0019.

1 - Based on the chart created above, was there any day when the process was not in control? Which days?

2 - What action or corrective action would you suggest to eliminate the out of control event?

3- The industry standards are 0.10 and 0.01, respectively. What does this imply about Georgia Bank's own standards?

0.12 0.1 0.08 0.06 water 0.04 0.02 Mean -Centerline 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UCL -LCL