Chi-Squared Goodness of Fit Test

Test whether observed frequencies differ from expected

Enter observed and expected counts for each category.
#Observed (O)Expected (E)

Test Results

Chi-Squared Statistic
Degrees of Freedom
P-Value
Significant at a=0.05?
Significant at a=0.01?

Component Breakdown

CatOE(O-E)^2/E
Formula: X2 = Sum (Oi-Ei)^2/Ei | df = k-1
Method: P-value via regularized incomplete gamma function.