Sample Size & Statistical Power — Roadmap Step & Resources
How much data you need to reliably detect an effect if one exists
- Level: advanced
- Estimated time: 1 days
- Roadmap: Data Science
Before this step
Interview questions
- What happens to your risk of a false negative if you run an underpowered experiment?
Study resources
- Statistical Power and Sample Size (Article) — Khan Academy's lessons cover the statistical power concepts behind sample size calculations.
- Sample Size and Statistical Power Explained (Video) — A practical explanation of calculating the sample size needed for a reliable test.
Part of
- Experimentation & A/B Testing — section
- Data Science roadmap — the full learning path