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Tools

Chi-square test

Calculator

  Group 1 Group 2  
Observation A  
Observation B  
   
Method
 
 
 
Tail / side

Result


Fill in the fields in the calculator box and press 'Calculate' for the statistical significance.

Calculator

  Group 1 Group 2 Group 3
Observation A
Observation B
Observation C
Method
 
 
   
Tail / side

Result


Fill in the fields in the calculator box and press 'Calculate' for the statistical significance.

Calculator

Upload a text file containing a single MxN contingency table with every row on a new line and the columns tab delimited. 2x3 Chi2 test example:

51 73 24
32 56 84

Method
 
 
   
Tail / side

Result


Fill in the fields in the calculator box and press 'Calculate' for the statistical significance.


Information

Chi-square test can be used for hypothesis testing concerning categorical data for large sample sizes and dense contingency tables (for sparse tables we recommend Fisher's exact test).