GMAT Standard Deviation

Having trouble with GMAT standard deviation questions? Though standard deviation isn’t a huge topic on the GMAT, it’s one that you need to master if you want to achieve a Quant score in the 45+ range. In this video, we cover everything you need to know to master standard deviation on the GMAT. We’ll examine how standard deviation differs from other statistical measurements, an informal way of measuring standard deviation, and situations in which the standard deviation of a set does and does not change.