(quantum mechanics) A particle statistics model that describes the behaviour of collections of particles (bosons) that do not obey the Pauli exclusion principle.

(baseball) A measure of a pitcher's effectiveness based only on plays that do not involve fielders. Originally included only hit-by-pitch, walks, strikeouts, and home runs allowed, but more recently incorporates fly ball percentage, ground ball percentage, and line drive percentage.

A making statistical; application of statistics to something.