A/B Testing Statistical Significance: Sample Size Calculator Guide

A/B testing statistical significance comparison showing variant A vs B with confidence metrics

Running an A/B test without understanding statistical significance is like flipping a coin and calling it strategy. You might get lucky, but you’re not making data-driven decisions. This guide breaks down the math behind valid A/B testsβ€”and gives you the formulas to calculate sample size before you start. What You’ll Learn What statistical significance actually … Read more