StatsTest Blog
Experimental design, data analysis, and statistical tooling for modern teams. No hype, just the math.
ReportingJan 26New
When to Say 'Inconclusive': Decision Rules That Build Trust
Knowing when to call an experiment inconclusive is a skill. Learn decision frameworks for ambiguous results that maintain credibility and enable good business decisions.
DistributionsJan 26New
Why Revenue Is Hard: Log-Normal Distributions and Heavy Tails
A deep dive into why revenue metrics are statistically challenging. Learn about log-normal distributions, heavy tails, whale effects, and practical approaches to analyzing revenue in A/B tests.
DistributionsJan 26New
Winsorization and Trimming: When Acceptable and How to Disclose
Practical guide to handling extreme values in product metrics. Learn when Winsorizing or trimming is appropriate, how to choose cutoffs, and how to report results transparently.
