Testing Significance Calculator


A/B/n Split Test Significance Calculator

Use this calculator to see if your optimization test results are statistically accurate.

A split test must reach a minimum of 95% statistical accuracy to be reliable. Statistical accuracy is used so that you can be sure your winning variation hasn’t outperformed the losing variations because of luck. Simply enter your data into the calculator below and find out the statistical accuracy of your split tests.

# Visitors
Conversions
Control
Variation 1

The winning variation is
the at a % confidence level.

You need 95% or more to trust the test results.


We have worked with Trinity for a number of years with our other brands and after our acquisition of Liberty Travel, chose them to assist again. The SEO results have well exceeded our expectations and resulted in a dramatic increase of traffic to our site while maintaining a similar paid search budget."Sean Sutherland | Senior VP Global eBusiness, Flight Centre Corporation & Liberty Travel

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