Het somteken houdt in dat je dit voor alle cellen in de tabel moet berekenen en de uitkomsten bij elkaar moet optellen.
Voor de gehele tabel ziet het er als volgt uit:
O |
E |
O−E |
(O−E) 2 |
(O−E) 2 E |
102 |
330 ×250 1000 =82.5 |
102 −82.5 =19.5 |
380.25 |
380.25 82.5 =4.61 |
45 |
270 ×250 1000 =67.5 |
45 −67.5 =−22.5 |
506.25 |
506.25 67.5 =7.5 |
83 |
210 ×250 1000 =52.5 |
82 −52.5 =30.5 |
930.25 |
930.25 30.5 =17.7 |
20 |
190 ×250 1000 =47.5 |
20 −47.5 =−27.5 |
756.25 |
756.25 47.5 =15.9 |
172 |
330 ×500 1000 =165 |
172 −165 =7 |
49 |
49 165 =0.30 |
128 |
270 ×500 1000 =135 |
128 −135 =−7 |
49 |
49 135 =0.36 |
92 |
210 ×500 1000 =105 |
92 −105 =−13 |
169 |
169 105 =1.61 |
108 |
190 ×500 1000 =95 |
108 −95 =13 |
169 |
169 95 =1.78 |
56 |
330 ×250 1000 =82.5 |
56 −82.5 =−26.5 |
702.25 |
702.25 82.5 =8.51 |
97 |
270 ×250 1000 =67.5 |
97 −67.5 =29.5 |
870.25 |
870.25 67.5 =12.98 |
35 |
210 ×250 1000 =52.5 |
35 −52.5 =−17.5 |
306.25 |
306.25 52.5 =5.83 |
62 |
190 ×250 1000 =47.5 |
62 −47.5 =14.5 |
210.25 |
210.25 47.5 =4.43 |
χ 2 =∑(O−E) 2 E=81.42