What is the minimum sample size needed to detect a 2% retention lift at 80% power for our next A/B test?
Calculate required sample sizes for upcoming retention experiments using historical variance estimates
Metrics & KPIs
Required Data
Data Sources
Works with tools like
How Bruin answers this
Bruin AI Data Analyst
What is the minimum sample size needed to detect a 2% retention lift at 80% power for our next A/B test?
Bruin connects to your Data Warehouse, Telemetry, Finance System and runs the analysis automatically.
It tracks statistical power, MDE, p-value thresholds and delivers the answer in seconds, in Slack, Discord, Teams, Google Chat, WhatsApp, Telegram, email, or your browser.
Related use cases
D30 Churn Model Feature Importance
Which behavioral features have the highest SHAP values in our D30 churn prediction model?
Data ScienceStore Layout Causal Lift Validation
Is the observed 3% lift in conversion from the new store layout causally significant or driven by selection bias?
Data ScienceLTV Model Calibration Audit
When our model says a player is worth $10, is that actually true — or are we systematically over/underestimating specific segments?
Bruin for mobile gaming
Use cases across every team in your studio, from monetisation to LiveOps, product to engineering. One AI that speaks your data.
Get this answer in seconds
Connect your data, ask the question, get the answer. No SQL needed.