Thus the empirical relatio nship as Mean Mode 3 Mean Median. The mean average of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. Runde S Room Math Journal Sundays Learning Math Math Math Journals If there are two numbers in the middle the median is the mean of those two numbers. Mean median mode algebra . The mode is the number that is repeated more often than any other so 13 is the mode. First put the numbers in order. Each measurement is an attempt to capture the essence of how a typical entry or number in the data set may look like. 3 9 15 17 44. N is the total number of data. The mode of a set of data is the item that appears most often in the data set. 13 13 13 13 14 14 16 18 21. If youre working with the numbers 4 7 8 11 and 21 then 8 is your mode because its the number in the middle. If even cross out numbers on either side but you should have two numbers exactly in the middle. Finding