What is 'Survivorship Bias'?

Approach: Describe the logical error of focusing only on people or things that made it past some selection process.

A bias that results from focusing on the 'survivors' of a process and overlooking those that did not, leading to false conclusions (e.g., analyzing only successful hedge funds).

Follow-up: How did Abraham Wald use this to save planes in WWII?

Key concepts: sampling, selection, skew.