| math. | reversion to the mean | возврат к среднему (Reversion to the mean is a mathematical concept. It says that when a system of numbers departs from a long-standing pattern, eventually the system will return to this ordinary range. This is paired with the concept of an aggressive reversion to the mean, which says that a system which departs from historic patterns will change back to its ordinary range dramatically and quickly.  yahoo.com aldrignedigen) |