Basic of Data Interpretation for GRE Math

In following videos, they covers the basic topics about Data Interpretation which is very useful in SAT, GMAT, NTS, GRE, CAT. These topics are 1.Intro to Data Interpretation, 2.Data Interpretation Strategy, 3.Types of DI Graphics, 4.Scatter Plots, 5.Unconventional Graphs 6. College Maths