Sep 16, 2024 · Fundamentals

Why Identical Statistics Can Hide Very Different Data: The Lesson of Anscombe’s Quartet

Anscombe’s Quartet shows that four data sets can share identical means, variances, regression lines and correlation coefficients yet display completely different scatter‑plot shapes, highlighting why visualisation is crucial and why relying only on summary statistics can mislead analysts.

Anscombe's Quartetoutliersregression analysis

0 likes · 6 min read

Why Identical Statistics Can Hide Very Different Data: The Lesson of Anscombe’s Quartet

Meituan Technology Team

Aug 24, 2023 · Product Management

How to Build a Trustworthy A/B Testing Platform for Complex Fulfillment Scenarios

This article presents a comprehensive guide to designing, implementing, and analyzing a reliable A/B testing platform for Meituan's multi‑side fulfillment business, covering statistical pitfalls, experiment types, traffic‑splitting frameworks, automated analysis engines, and practical solutions for overflow effects, small samples, and fairness constraints.

A/B testingexperiment designfulfillment

0 likes · 39 min read

How to Build a Trustworthy A/B Testing Platform for Complex Fulfillment Scenarios