| fo | fe | (fo − fe) | (fo − fe)2 | (fo − fe)2/fe | χ2 table | Decision |
| 37 | 33.83 | 3.17 | 10.03 | 0.30 | 3.84 | Ho Rejected |
| 12 | 33.83 | −21.83 | 476.69 | 14.09 | ||
| 21 | 10.83 | 10.17 | 103.36 | 9.54 | ||
| 14 | 10.83 | 3.17 | 10.03 | 0.93 | ||
| χ2 = (fo − fe)2/fe | 24.85 | |||||