4 min read
A/B testing when you do not have the traffic
The honest options for a team with two thousand users a week, none of which are "run the test anyway and hope".
Tag
statistics
3 pieces tagged “statistics”, newest first.
4 min read
Everything you know about p-values, restated carefully
The definition is genuinely awkward, most working explanations are subtly wrong, and the practical consequences of getting it wrong are large. Here is the careful version.
3 min read
The average is a lie — a field guide to skew
Almost every number a business cares about is right-skewed, and almost every business reports it as a mean. Here is what that does, why nobody notices, and what to publish instead.