If you used min, mean, and max . . .
| Milestone | Lower Relative Value | Mean Relative Value | Upper Relative Value |
|---|
| Project scope defined | 0.50 | 1.15 | 1.80 | | Requirements complete | 0.71 | 1.16 | 1.60 | | Design complete | 0.78 | 1.18 | 1.33 | | Code complete | 0.95 | 1.13 | 1.33 | | Testing complete | 0.95 | 1.03 | 1.14 | | Project complete | 1.00 | 1.00 | 1.0 |
If you used plus and minus two standard deviations . . .
| Milestone | Lower Relative Value | Mean Relative Value | Upper Relative Value |
|---|
| Project scope defined | 0.10 | 1.15 | 2.21 | | Requirements complete ... |
|