Chi-Square Test
Choose test type and enter observed data
Enter observed and expected frequencies for each category
| Category | Observed (O) | Expected (E) | Action |
|---|---|---|---|
Enter 2×2 contingency table values
N =
Chi-Square Statistic
Degrees of Freedom
p-value
Decision (α = 0.05)
Reject H₀ (significant difference)
Fail to reject H₀ (no significant difference)
Enter your data and click Calculate to perform chi-square test.
Step-by-Step Calculation