2 by 2 Table - Web Calculator

The spreadsheet below performs a 2 by 2 contingency table analysis, also known as a Pearson chi-square analysis. After activating the sheet ('Click to Edit'), all you need to to do is enter the observed frequencies into the appropriate cells. All of the calculations are performed automatically, in addition to a write-up of the results.

Check out this video where I give some pointers on how to use this spreadsheet most effectively:


squared test, chi-square test for proportions, contingency tables,