A Chi-Square Goodness of Fit Test is used to determine whether or not a categorical variable follows a hypothesized distribution.

To perform a Chi-Square Goodness of Fit Test, simply enter a list of observed and expected values for up to 10 categories in the boxes below, then click the “Calculate” button:

Category Observed Expected
Category 1
Category 2
Category 3
Category 4
Category 5
Category 6
Category 7
Category 8

X2 Test Statistic: 4.360000

p-value: 0.359472