Descriptive statistics, probability, the normal distribution, counting methods, and data interpretation — about a quarter of GRE Quant, including the grouped Data Interpretation sets.
4 lessons55 min
What You'll Learn
Compute and compare mean, median, mode, range, and interpret standard deviation as spread
Solve single-event and compound probability problems, including without-replacement draws
Apply the empirical (68–95–99.7) rule to normally distributed data
Count arrangements and selections using permutations, combinations, and the fundamental counting principle
Read tables, bar graphs, and other displays quickly in Data Interpretation question sets