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 |