This video appears on the page: Percentiles & Quartiles

Percentiles In Reverse: Given a Percentile, Predict The "Cutoff"

This type of problem is the one with all the crazy instructions: "If L is a whole number, take the average of the Lth and L+1th value, but if L is a decimal always round up!" You get the idea. If they give you a list of numbers and ask you where the 60th percentile would be, this video is for you.