Bayesian A/B Test

Calculate Bayesian A/B Test instantly with the exact formula and a worked example.

Bayesian A/B Test

Bayes update
%
Probability better
95%
Calculate Bayesian A/B Test instantly with the exact formula and a worked example.

More about: Bayesian A/B Test

What it calculates

The “Bayesian A/B Test” calculator computes Probability better in % from 2 parameters: bayes update, %.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters Bayes update = 100, % = 95 the result is 95 %.

How to use

  1. Enter bayes update and % — each field above is adjustable with a slider.
  2. Probability better (%) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Bayesian A/B Test calculated?
The Bayesian A/B Test calculator computes Probability better (in %) from bayes update, %. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Bayesian A/B Test calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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