11 May Use the following data for questions 1-3.
Use the following data for questions 1-3.
A delivery company checked delivery time for 40 randomly-selected packages for 8 consecutive days. The chart below shows the number of packages that were delivered late on each of those days. Develop a p-chart and answer questions 1, 2 and 3 from this data.
| Day | late packages |
| 1 | 2 |
| 2 | 0 |
| 3 | 1 |
| 4 | 5 |
| 5 | 2 |
| 6 | 1 |
| 7 | 0 |
| 8 | 0 |
- What is the UCL on the p-chart?
- 0.0344
- 0.0288
- 0.1407
- 0.1208
- What is the LCL on the p-chart?
- -0.052
- 0, does not exist
- 0.0344
- 0.052
- What can you determine about the process?
- There are special causes of variation.
- Only common cause variations are present
- The process is in statistical control
- It cannot be determined if the process is in statistical control.
- A hotel property logged the number of complaints they received in each of 10 days. The table below reports the findings. Determine the UCL of the control chart
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