Averages: a number expressing the central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean, which is calculated by dividing the sum of the values in the set by their number.
"the proportion of over-60s is above the EU average of 19 per cent
Constituing the result obtained by adding together several amounts and then
dividing this total by the number of amounts.
The term average originated in the 15th century commonly belivered to derive from Italian and Arabic decent. First coined as a derivative of the word damaged good.