Free ToolsRun tests in Otter A/B
Calculators
A/B Test Significance Calculator
Check completed control and variant counts with a two-sample conversion-rate test.
Confidence
99.5%
two-sided p-value 0.0102
Likely winner
Variant B
42.5% relative lift
Check completed control and variant counts with a two-sample conversion-rate test.
Confidence
99.5%
two-sided p-value 0.0102
Likely winner
Variant B
42.5% relative lift