411 REFERENCE · Wiktionary
Simpson's paradox
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Edward H. Simpson first described this phenomenon in a technical paper in 1951.
Proper noun
The observation that the association of two variables for one subset of a population may be similar to the association of those variables in another subset, but different from the association of the variables in the total population.
Further reading
en eponyms