voice category

length of vocal folds

shape of vocal folds

short

meedle

long

total

rounded

enlogated

total

contralto

0

0

7

7

1

6

7

0%

0%

100%

100%

14.30%

85.70%

100%

mezzosoprano

0

12

0

12

5

7

12

0%

100%

0%

100%

41.70%

58.30%

100%

soprano

16

0

0

16

4

12

16

100%

0%

0%

100%

25.00%

75.00%

100%

Pearson Chi-square

70

1.8

p-level

0

0.405