Skip to content
Back to Experimentation and A/B testing
PricingLog in

Data Analytics

Statistical power and sample size

A power calculation connects sample size, detectable effect, variability, and error rates before data collection.

4 minutes. No sign-up needed.

Chapter 26: Experimentation and A/B testing7 lessons · 30 min
  1. 1Experiment design4 min
  2. 2Randomization units4 min
  3. 3Statistical power and sample size4 min
  4. 4Experiment integrity checks4 min
  5. 5Intention-to-treat analysis4 min
  6. 6Experiment stopping rules and guardrails4 min
  7. 7Challenge: Experimentation and A/B testing6 min
Go to the chapter

This lesson is part of the Data Analytics course.

Example plan3 lessons · 12 min

Randomization units4 min
Statistical power and sample sizeExperimentation and A/B testing4 min
Experiment integrity checksExperimentation and A/B testing4 min

An example. Your plan follows your answers, so it can start later and end sooner.

Build my plan

Start free, no account needed.