A seemingly intrinsic part of the game of baseball is the keeping of statistics on the achievements of the players. Started by Henry Chadwick in the 19th century who devised the concept of batting average based on his experience of cricket. Commonly used statistics are explained here:
... is $47,500, and the median income for a family is $35,893. Males have a median income of $32,292 versus $30,956 for females. The per capita income for the town is $23,660. ...