Chi-Square Calculator
Calculate the chi-square statistic from observed and expected frequency values. Shows contributions per category and degrees of freedom.
How to Use Chi-Square Calculator
Enter comma-separated observed and expected frequency values, then calculate the chi-square statistic with per-category contributions and degrees of freedom.
Step-by-Step Instructions
- Enter observed values (comma-separated)
- Enter expected values (comma-separated)
- Click Calculate χ²
- View statistic, degrees of freedom, and contributions
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