IMO 1988 — Statistics
Score Distribution
| P1 | P2 | P3 | P4 | P5 | P6 |
| Num( P# = 0 ) | 27 | 92 | 75 | 136 | 76 | 189 |
| Num( P# = 1 ) | 56 | 16 | 132 | 25 | 35 | 57 |
| Num( P# = 2 ) | 19 | 13 | 13 | 12 | 23 | 3 |
| Num( P# = 3 ) | 24 | 19 | 1 | 17 | 10 | 5 |
| Num( P# = 4 ) | 22 | 25 | 3 | 3 | 20 | 1 |
| Num( P# = 5 ) | 14 | 24 | 4 | 3 | 11 | 1 |
| Num( P# = 6 ) | 8 | 7 | 9 | 6 | 7 | 1 |
| Num( P# = 7 ) | 98 | 72 | 31 | 66 | 86 | 11 |
Summary Statistics
| P1 | P2 | P3 | P4 | P5 | P6 |
| Mean( P# ) | 3.948 | 3.228 | 1.731 | 2.332 | 3.321 | 0.634 |
| Max( P# ) | 7 | 7 | 7 | 7 | 7 | 7 |
| σ( P# ) | 2.707 | 2.883 | 2.270 | 2.956 | 2.944 | 1.524 |
Correlations
| P1 | P2 | P3 | P4 | P5 | P6 |
| Corr( P#, Sum ) | 0.727 | 0.685 | 0.651 | 0.764 | 0.647 | 0.540 |
| Corr( P#, P1 ) | | 0.332 | 0.351 | 0.486 | 0.414 | 0.294 |
| Corr( P#, P2 ) | 0.332 | | 0.421 | 0.429 | 0.272 | 0.211 |
| Corr( P#, P3 ) | 0.351 | 0.421 | | 0.359 | 0.235 | 0.386 |
| Corr( P#, P4 ) | 0.486 | 0.429 | 0.359 | | 0.345 | 0.402 |
| Corr( P#, P5 ) | 0.414 | 0.272 | 0.235 | 0.345 | | 0.213 |
| Corr( P#, P6 ) | 0.294 | 0.211 | 0.386 | 0.402 | 0.213 | |
