📈 Two-Tailed Z-Test • P-Value & Confidence Intervals • CRO Math
A/B Test Significance & Power Studio
Verify whether your landing page, pricing tier, or prompt variation is a statistically significant winner using rigorous two-tailed Z-score and p-value testing.
🧪 Experiment Cohort Data
Control (Variant A) CR: 4.20%
Challenger (Variant B) CR: 5.36%
Statistical Hypothesis Verdict
Statistically Significant!
Variant B outperforms Control A by +27.62%
Relative Lift +27.62%
Two-Tailed P-Value 0.0064
Z-Score 2.724
Win Probability 99.68%