Chi-Square Test Calculator
Perform goodness of fit or independence tests with contingency tables.
Observed vs Expected Frequencies
Enter observed frequencies and expected proportions.
| # | Category | Observed (O) | Expected (E) | Action |
|---|---|---|---|---|
| 1 | ||||
| 2 | ||||
| 3 |
Contingency Table
Enter observed frequencies for rows and columns.
| Row/Col | Column 1 | Column 2 |
|---|---|---|
| Row 1 | ||
| Row 2 |