(a) The data given below are the number of complains recoreded per day by a credit card division of the bank. Day 1 2 3 4 5 6 7 8 9 10 No. of Complains 4 1 3 5 4 3 3 2 11 3 Develop an appropriate control chart and interpret whether the number of compliants recorded by the credit card division is in control. If not, what is your suggestion to the credit card division of that bank. (b) A supply chain engineering group monitors shipments of materials through the company distribution network. Errors on either the delivered material or the accompanying documentation are tracked on a weekly basis. Six randomly selected shipments are examined each week and the errors per sample (per shipment) are recorded for the seven weeks as given below. No. of defects per sample: 12, 13, 18, 17, 14, 30, 11 Set up a u control chart to monitor this process. Comment the control chart?
(a) The data given below are the number of complains recoreded per day by a credit card
division of the bank.
| Day | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| No. of Complains | 4 | 1 | 3 | 5 | 4 | 3 | 3 | 2 | 11 | 3 |
Develop an appropriate control chart and interpret whether the number of compliants
recorded by the credit card division is in control. If not, what is your suggestion to the
credit card division of that bank.
(b) A supply chain engineering group monitors shipments of materials through the
company distribution network. Errors on either the delivered material or the
accompanying documentation are tracked on a weekly basis. Six randomly selected
shipments are examined each week and the errors per sample (per shipment) are recorded
for the seven weeks as given below.
No. of defects per sample: 12, 13, 18, 17, 14, 30, 11
Set up a u control chart to monitor this process. Comment the control chart?
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