Chi-Square Calculator
Chi-square goodness-of-fit statistic from observed and expected counts.
Chi-square (χ²)
12.32
df = 3
Degrees of freedom
3
Categories
4
Σ Observed
100
Σ Expected
100
Contribution by cell
| Cell | Observed | Expected | (O−E)²/E |
|---|---|---|---|
| Cell 1 | 18 | 25 | 1.96 |
| Cell 2 | 22 | 25 | 0.36 |
| Cell 3 | 20 | 25 | 1 |
| Cell 4 | 40 | 25 | 9 |