... on the GRE. The central location of a set ofnumeric values is defined by the value that appears most frequently (the mode), the number that represents the middle value (the median), and/or the ... average of all the values (the mean).MEAN ANDMEDIANTo find the average, or the mean, of a set of numbers, add all the numbers together and divide by the quan-tity of numbers in the set.Average ... the set in ascending order: 1, 2, 3, 5, 7, 8.Then, choose the middle values 3 and 5.Find the average of the numbers ᎏ3+25ᎏ= 4. The answer is 4.MODE The mode of a set of numbers is the...