Observed and expected counts for cell (1,1) are 60 and 50; for cell (1,2) 40 and 50.
Combined contribution of these two cells to chi-square is?
- A
10.0
- B
2.0
- Ccheck_circle
4.0
- D
5.0
Explanation
(60-50)^2/50 + (40-50)^2/50 = 100/50 + 100/50 = 2 + 2 = 4.