Khan Academy

Description: 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. The median is the middle value when a data set is ordered from least to greatest. The mode is the number that occurs most often in a data set. Created by Sal Khan.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.