IMO 1977 — Statistics
Score Distribution
| P1 | P2 | P3 | P4 | P5 | P6 |
| Num( P# = 0 ) | 2 | 6 | 17 | 9 | 10 | 15 |
| Num( P# = 1 ) | 0 | 9 | 0 | 7 | 7 | 5 |
| Num( P# = 2 ) | 0 | 2 | 0 | 2 | 1 | 0 |
| Num( P# = 3 ) | 2 | 6 | 1 | 1 | 1 | 3 |
| Num( P# = 4 ) | 4 | 1 | 0 | 1 | 1 | 3 |
| Num( P# = 5 ) | 3 | 0 | 0 | 1 | 1 | 0 |
| Num( P# = 6 ) | 26 | 13 | 8 | 16 | 5 | 0 |
| Num( P# = 7 ) | 0 | 0 | 11 | 0 | 11 | 1 |
| Num( P# = 8 ) | 0 | 0 | 0 | 0 | 0 | 10 |
Summary Statistics
| P1 | P2 | P3 | P4 | P5 | P6 |
| Mean( P# ) | 5.216 | 3.054 | 3.459 | 3.216 | 3.459 | 3.054 |
| Max( P# ) | 6 | 6 | 7 | 6 | 7 | 8 |
| σ( P# ) | 1.527 | 2.382 | 3.260 | 2.642 | 3.019 | 3.385 |
Correlations
| P1 | P2 | P3 | P4 | P5 | P6 |
| Corr( P#, Sum ) | 0.414 | 0.654 | 0.716 | 0.669 | 0.697 | 0.831 |
| Corr( P#, P1 ) | | 0.116 | 0.311 | 0.069 | 0.436 | 0.097 |
| Corr( P#, P2 ) | 0.116 | | 0.181 | 0.398 | 0.380 | 0.586 |
| Corr( P#, P3 ) | 0.311 | 0.181 | | 0.450 | 0.341 | 0.485 |
| Corr( P#, P4 ) | 0.069 | 0.398 | 0.450 | | 0.191 | 0.522 |
| Corr( P#, P5 ) | 0.436 | 0.380 | 0.341 | 0.191 | | 0.474 |
| Corr( P#, P6 ) | 0.097 | 0.586 | 0.485 | 0.522 | 0.474 | |
