Standard Deviation – Clustering (Birds) Problem

Standard Deviation – Clustering (Birds) Problem

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...
Ace GMAT Data Sufficiency Questions with this Science Fair Problem

Ace GMAT Data Sufficiency Questions with this Science Fair Problem

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...