MathCastle
Statistics & DataSuperchallengePercentiles and Box Plots

Percentiles and Box Plots · Superchallenge problem

In a class every student has a different score, and a student's percentile is the percent of the class scoring strictly below them. Ana's percentile, rounded to the nearest whole number, is 8585; Ben's, rounded the same way, is 1515. Exactly 2323 students scored strictly between Ben and Ana. How many students are in the class?