IMO 1998 — Statistics
Score Distribution
| P1 | P2 | P3 | P4 | P5 | P6 |
| Num( P# = 0 ) | 89 | 213 | 91 | 125 | 184 | 340 |
| Num( P# = 1 ) | 16 | 19 | 117 | 47 | 16 | 29 |
| Num( P# = 2 ) | 115 | 26 | 152 | 14 | 38 | 6 |
| Num( P# = 3 ) | 41 | 6 | 20 | 38 | 22 | 10 |
| Num( P# = 4 ) | 27 | 5 | 3 | 20 | 9 | 7 |
| Num( P# = 5 ) | 23 | 4 | 1 | 10 | 5 | 1 |
| Num( P# = 6 ) | 5 | 5 | 5 | 23 | 6 | 2 |
| Num( P# = 7 ) | 103 | 141 | 30 | 142 | 139 | 24 |
Summary Statistics
| P1 | P2 | P3 | P4 | P5 | P6 |
| Mean( P# ) | 3.205 | 2.735 | 1.761 | 3.463 | 2.931 | 0.678 |
| Max( P# ) | 7 | 7 | 7 | 7 | 7 | 7 |
| σ( P# ) | 2.573 | 3.208 | 1.780 | 3.002 | 3.114 | 1.785 |
Correlations
| P1 | P2 | P3 | P4 | P5 | P6 |
| Corr( P#, Sum ) | 0.734 | 0.678 | 0.617 | 0.762 | 0.712 | 0.571 |
| Corr( P#, P1 ) | | 0.299 | 0.375 | 0.510 | 0.488 | 0.334 |
| Corr( P#, P2 ) | 0.299 | | 0.363 | 0.351 | 0.325 | 0.313 |
| Corr( P#, P3 ) | 0.375 | 0.363 | | 0.422 | 0.267 | 0.328 |
| Corr( P#, P4 ) | 0.510 | 0.351 | 0.422 | | 0.422 | 0.357 |
| Corr( P#, P5 ) | 0.488 | 0.325 | 0.267 | 0.422 | | 0.257 |
| Corr( P#, P6 ) | 0.334 | 0.313 | 0.328 | 0.357 | 0.257 | |
