Statistical paradoxes

mistaken belief that more frequent chance events will lead to less frequent chance events, or vice versa, to balance out

phenomenon in probability and statistics, in which a trend appears in several different groups of data but disappears or reverses when these groups are combined

error in thinking which involves under-valuing base rate information

phenomenon that most people have fewer friends than their friends have, on average

paradox in decision theory

tendency to misinterpret statistical experiments involving conditional probabilities

phenomenon in which moving an element from one set to another set raises the average values of both sets

Veridical paradox

statistical paradox

phenomenon of joint estimation sometimes being strictly better than serial estimation across parameters