fo

fe

(fo − fe)

(fo − fe)²

(fo − fe)²/fe

χ² table

Decision

40

33.94

6.06

36.75

1.08

3.84

Ho Rejected

19

33.94

−14.94

223.15

6.58

25

22.94

2.06

4.25

0.19

29

22.94

6.06

36.75

1.60

χ² = (fo − fe)²/fe

9.45