| voice category | width of vocal folds | thickness of vocal folds | ||||||
|
| wide | meddle | narrow | total | thin | average | thick | total |
| basso | 15 | 0 | 1 | 16 | 2 | 0 | 14 | 16 |
|
| 93.80% | 0% | 6.30% | 100% | 12.50% | 0% | 87.50% | 100% |
| baritones | 2 | 9 | 0 | 11 | 0 | 9 | 2 | 11 |
|
| 18.20% | 81.80% | 0% | 100% | 0% | 81.80% | 18.20% | 100% |
| tenors | 0 | 0 | 8 | 8 | 8 | 0 | 0 | 8 |
|
| 0% | 0% | 100% | 100% | 100% | 0% | 0% | 100% |
| Pearson Chi-square |
|
| 54.69 |
|
|
| 50.1 |
|
| p-level |
| 0 |
|
|
| 0 |
|
|