## How the Chi Square Calculator can help you

Chi Square Calculator will help you determine if there is a significant difference between observed and expected frequencies.

## How to use the Chi Square Calculator

1. Enter the “Observed Values”;

2. Enter the “Expected Values”;

3. Click on the “Calculate” button to get the results for “Chi-Square (X2) Value”;

4. You can also use P-Value from Chi-Square Calculator to calculate the p-value for a given chi-square value and degrees of freedom.

## Chi Square Calculator Formula

**X ^{2} = (observed value – expected value)^{2} / expected value**