Chi-Square Calculator for Goodness of Fit

This is a chi-square calculator for goodness of fit (for alternative chi-square calculators, see the column to your right).

The first stage is to enter category information in the textboxes below (this calculator allows up to five categories - or levels - but fewer is fine). So, for example, if you were looking at whether an experimental medical treatment is effective, you might have the categories Improved, No Change, Worsened (entered into the top three boxes below). Once you've added your category information, press Next.

Please enter category information.

Categories          
     
         
         
         
         
           

Please enter category information, above, then press Next.

Alternative Chi-Square Calculators

5 x 5 (or less) contingency table

Simple 2 x 2 calculator

Fisher exact test

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