Mean, Median, Mode, Range

By: Abigail Mendoza and Karla Leyva


The mean or average of the data set. It's the sum of all values and divided by number of values in the set.
Example: 2,3,5,4,1,2,6 Mean=11.5
Step 1: Add all numbers Step 2: Divide by number of values


Median is the middle value when they are written in numerical order.
EXAMPLE: 4,4,6,10,19 Median= 6


Mode is the number in the data set that appears the most.
EXAMPLE: 3,5,5,5,7,8 Mode= 5


Range is the difference between the greatest value and the lowest value in the data set.
EXAMPLE: 2,3,5,8,9 Range= 7