Task | Best case | Worst case | Result | |
---|---|---|---|---|

+ – ↑↓ | ||||

+ – ↑↓ | ||||

+ – ↑↓ | ||||

+ – ↑↓ | ||||

+ – ↑↓ | ||||

Sums | – | – | – |

- Best case
- Set the minimum time needed for this step.
- Worst case
- Set the absolute maximum of time.
- Which unit?
- It doesn't matter if days, month or dollar. Just use the same unit everywhere.
- How is it calculated?
- (Best case + (Worst case ✕ 2)) / 3
- Why emphasizing the worst case?
- Things often take longer than expected and things rarely take shorter than expected.