Chi-Square Goodness of Fit Calculator

Test if observed frequencies match expected frequencies.

Chi-square Contribution

0.5000

Deviation (O - E)-5.00
Degrés de liberté4

Chi-square Contribution vs Observed Frequency

Voir la formule →

Formule

## Chi-Square Goodness of Fit **chi2 = Sum((O-E)^2/E)** Tests observed vs expected frequency distribution.

Exemple Résolu

O=45, E=50, k=5.

  1. 01chi2 = 25/50 = 0.5
  2. 02df = 4

Questions Fréquentes

Min expected?

At least 5 per category.

Significant result?

Observed differs from expected.

Vs independence test?

Goodness of fit tests one variable; independence tests two.

Apprendre

Understanding the Normal Distribution

Calculatrices Associées

Chi-Square Independence

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Z-Test

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