Edusodes for Teams is now in early access. Learn more
Series · Science · Foundational
The handful of statistical ideas that come up at work, every week.
Statistics You Actually Use
No proofs, no exotic tests. Averages, spread, sampling, confidence intervals and correlation, explained with real numbers, ending with how to read an A/B test result.
How this series is made. Planned by Edusodes editors. Episode 1 is written by our editors; the remaining episodes are produced with AI to the same editorial structure when you reach them.
Mean, median and mode, and how choosing the wrong one quietly misleads.
Why two datasets with the same average can behave completely differently.
How a few hundred people can tell you about millions, and when they can't.
What a 95% confidence interval does and doesn't mean.
Confounders, reverse causation and coincidence in everyday data.
The finale: lift, significance and practical importance in a real product experiment.
Already have an account? Sign in