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 typed by these operators has been noted, as follows:
Sample No.	No. Defective	p=x/n	Sample No.	p=x/n	No. Defective	P=Bar
1	7	0.0280	11	0.0480	12
2	5	0.0200	12	0.0200	5
3	10	0.0400	13	0.0800	20
4	10	0.0400	14	0.0160	4
5	11	0.0440	15	0.0440	11
6	8	0.0320	16	0.0320	8
7	6	0.0240	17	0.0480	12
8	9	0.0360	18	0.0160	4
9	6	0.0240	19	0.0240	6
10	13	0.0520	20	0.1000	25
						0.0384
a) Establish a three-sigma control chart for monitoring the number of defective records.
	What is the upper limit?
	What is the lower limit?
b) Based on the chart created in (a), was there any day when the process was not in control? Which days?
No. Doesn't seem like any days were process was not controlled
c) What action or corrective action would you suggest to eliminate the out of control event?
To eliminate an out of control event the operators should be retrained or monitored closer in order to prevent
any setbacks
d) The industry standards are 0.10 and 0.01, respectively. What does this imply about Georgia Bank's own standards?