A tool to identify the required sample size for your experiment 🧪️
- Identify & input the minimum detectable effect by integrating the results from opportunity sizing.
- Identify & input the control sample mean and variance for the primary test metric by querying historical data.
- Select the statistical test design you'd like to use (or choose the rule of thumb formula referenced in Trustworthy Online Controlled Experiments). For more info on the statistical test designs and ensuing formulas, see this course Inferential Statistics.
- Obtain the required number of samples across treatment and control.