| fo | fe | (fo − fe) | (fo − fe)2 | (fo − fe)2/fe | χ2 table | Decision |
| 68 | 51.50 | 16.50 | 272.25 | 5.29 | 3.84 | Ho Rejected |
| 35 | 51.50 | −16.50 | 272.25 | 5.29 | ||
| 45 | 61.50 | −16.50 | 272.25 | 4.43 | ||
| 78 | 61.50 | 16.50 | 272.25 | 4.43 | ||
| χ2 = (fo − fe)2/fe | 19.43 | |||||