ab test

  1. R

    AB Test with Proportions

    I'm trying to design an AB test for proportions, and I need to understand the minimum sample size I need to get a statistically significant result within a 5-10% change of a very small proportion. This calculator summarizes the type of test I'm trying to set up: https://abtestguide.com/calc/...
  2. S

    Sample Size in AB Testing

    Hi All, I'm a marketer trying to understand the math behind A/B testing. I understand how to calculate sample size before a test is run. I've just come across a tool that estimates how many more samples are required to reach significance for a test that's underway. Visitors Goals...