July 19, 2015
Average is synonymous with mean/arithmetic mean and it is defined by a simple equation:
This equation will be the backbone to everything that we work on with GMAT averages, but there will be ways to simplify this as we move along. A basic example would be:
What is Dan’s average test score if he scored an 80, 85 and 96 on his three exams?
Now, 261 divided by 3 is not the end of world, but you can imagine how these numbers might get a little harder to handle if they started to get much l...