Log-in | Contact Jeff | Email Updates

Question 162:

I am trying to do A/B testing onweb page displays. One is the test the other is the control.
Could you help me determine the formula for sample size at a 95% confidence level?
My historical Conversion Rate (success): 11%
Visitors: 280 per day
I would like to see a 2% improvement in my conversion rate.

Not what you were looking for or need help?

Ask a new Question

Browse All 872 Questions

Search All Questions: