Free Chi-Square Goodness of Fit Calculator
Test if observed frequencies match expected frequencies.
Chi-square Contribution
0.5000
Deviation (O - E)-5.00
Degrees of Freedom4
Chi-square Contribution vs Observed Frequency
Chi-Square Goodness of Fit
chi2 = Sum((O-E)^2/E)
Tests observed vs expected frequency distribution.
Example Calculation
O=45, E=50, k=5.
- 01chi2 = 25/50 = 0.5
- 02df = 4
Frequently Asked Questions
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