fo | fe | (fo − fe) | (fo − fe)2 | (fo − fe)2/fe | χ2 table | Decision |
23 | 17.70 | 5.30 | 28.07 | 1.59 | 3.84 | Ho Rejected |
3 | 17.70 | −14.70 | 216.15 | 12.21 | ||
9 | 6.70 | 2.30 | 5.28 | 0.79 | ||
12 | 6.70 | 5.30 | 28.07 | 4.19 | ||
χ2 = (fo − fe)2/fe | 18.77 |