Measures of Central Tendency - Measures of Dispersion - Statistics for Beginners

This Tutorial on Measures of Central Tendency and Dispersion will help you to master the basic concepts of Central Tendency and Dispersion. So, why do we need to know about measures of Central Tendency? Well, we need to be able to understand how the locations of large amounts of data can be summarized using simple measures to best represent the data as a whole. And why is that? Because these kinds of summary values occur again and again in 99% of the data that we deal with.