# GMAT percentiles

The average GMAT scores for 18 top-ranked graduate schools of business are listed below (see attachment).

Find 25th and 60th percentiles for these average scores.

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#### Solution Preview

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) ...

#### Solution Summary

The solution provides details regarding how to find percentiles and the actual answers.

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