A/B Testing Significance Calculator

	Impressions	Conversions	Cost ($)
Option A
Option B

	Option A	Option B
Impressions
Conversions
Cost ($)

Winner : Option A

90% confidence: YES

95% confidence: YES

99% confidence: YES

Metrics Below for Stats Geeks!

Z-Score	P-Value

Conversion Rate	Standard Error

90% Conversion Rate Limits
From	To

95% Conversion Rate Limits
From	To

99% Conversion Rate Limits
From	To