An average, or the mean, is the result obtained by adding several quantities together and then dividing this total by
the number of quantities.
The average in lotto, is the sum of all lotto numbers in a drawing, divided by the pick-size or total number
of lottery numbers in the group. Example: for lotto drawing 5-12-20-21-30, the average
of these 5 numbers is (5+12+20+21+30)/5 or 88/5 = 17.6