Table 2 Association between the shape of the palate and the shape of the mandible

Shape of mandible

Curved

9

5

21

35

Expected

9.800

8.050

17.150

Chi-square

0.0653

1.1556

0.8643

Horizontal

13

3

15

31

Expected

8.680

7.130

15.190

Chi-square

2.1500

2.3923

0.0024

Oblique

6

15

13

34

Expected

9.520

7.820

16.660

Chi-square

1.3015

6.5924^a

0.08041

All

28

23

49

100

Chi-square

DF

p value

15.328

4

0.004