Let's begin recording some data on the chart. The time is 13:00 hours on the 10th January, and you have just collated the details of the inspections carried out in the previous week. The number of cars inspected (the sample size) was 950, and the following defects were identified:
Begin by adding this information to your chart, and check it against the example below before moving on.
| Date >> | 10/01 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Time >> | 13:00 | ||||||||||
| # | Characteristic | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | Blisters | 1 | |||||||||
| 2 | Scratches | ||||||||||
| 3 | Overspray | ||||||||||
| 4 | Orange Peel | 1 | |||||||||
| 5 | Flotation | 2 | |||||||||
| 6 | Off Colour | ||||||||||
| 7 | Sags/Runs | 1 | |||||||||
| 8 | Gun Spits | ||||||||||
| 9 | Dirt | ||||||||||
| 10 | Dull Finish | 1 | |||||||||
| Defects (c) | |||||||||||
| Sample Size (n) | 950 | ||||||||||
| Proportion (u = c / n) | |||||||||||