fo

fe

(fo − fe)

(fo − fe)²

(fo − fe)²/fe

χ² table

Decision

31

31.90

−0.90

0.81

0.03

3.84

Ho Rejected

14

31.90

−17.90

320.36

10.04

25

9.90

15.10

228.05

23.04

9

9.90

−0.90

0.81

0.08

χ² = (fo − fe)²/fe

33.19