by ApexGMAT | Apr 23, 2021 | Algebra, GMAT
Hey guys! Today we’re going to take a look at a DS problem that is a skills problem, focused on GMAT standard deviation. Standard Deviation & Variance What they’re asking here is do we have enough information to compute a standard deviation? It’s...
by ApexGMAT | Mar 31, 2021 | Data Sufficiency, GMAT
Data Sufficiency Problem Video Transcript Introduction to Data Sufficiency Hey guys! Today we’re looking at the Science Fair Problem. In this Data Sufficiency, we’re being asked how many, discrete number, of the 900 students at the school attended all...