Purchase Solution

GMAT percentiles

Not what you're looking for?

Ask Custom Question

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.

Attachments
Purchase this Solution

Solution Summary

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

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) ...

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.