voice category

width of vocal folds

thikness of vocaal folds

wide

meedle

narrow

total

thin

average

thick

total

contralto

0

7

0

7

0

7

0

7

0.00%

100%

0.00%

100%

0.00%

100%

0.00%

100%

mezzosoprano

0

0

12

12

0

0

12

12

0.00%

0.00%

100%

100%

0%

0.00%

100.00%

100%

soprano

16

0

0

16

16

0

0

16

100%

0%

0%

100%

100%

0%

0%

100%

Pearson Chi-square

54.69

70

p-level

0

0