GMAT percentiles
Statistics Problem: Young Adult Drug Use
July 9, 2019Statistics – Standard Deviation
July 9, 2019The average GMAT scores for 18 top-ranked graduate schools of businessare listed below (see attachment).
Find 25th and 60th percentiles for these average scores.
A percentile is the value of a variable below which a certain percent of observations fall. So the 25th percentile is the value (or score) below which 25 percent of the observations may be found.
To find the the p-th percentile of a size N dataset, follow the steps below:
1. Arrange the values from smallest to largest.
2. Find the number of values that must fall below the percentile. In other words, compute n = p/100*(N – 1) …
The solution provides details regarding how to find percentiles and the actual answers.
