Question
4a.) The management of a hotel is worried about the number of customer complaints. A detail...
4a.) The management of a hotel is worried about the number of customer complaints. A detail analysis shows the number of complaints in 100 feedback per week over the past 12 weeks. a) Develop control charts with z = 3. b) Is the process in control?
| Week |
Number of complaints |
| 1 | 4 |
| 2 | 5 |
| 3 | 6 |
| 4 | 6 |
| 5 | 3 |
| 6 | 2 |
| 7 | 6 |
| 8 | 7 |
| 9 | 3 |
| 10 | 4 |
| 11 | 3 |
| 12 | 4 |
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