These lessons help GMAT students review mean, median, mode and range.
More Statistics Lessons
The following diagrams show how to find the mean, median, mode and range. Scroll down the page for examples and solutions.
Statistics: The Average
Introduction to descriptive statistics and central tendency.
Ways to measure the average of a set: median, mean, mode
Mean, Median, and Mode
Learn about Mean, Median, and Mode
Mean, median and mode are measures of central tendency. Mean: add together and divide by how many there are.
Median: the middle number when the data is listed in order from smallest to largest. If there are 2 middle number, add them and divide by 2.
Mode: the most frequent number.
Find the mean, median and mode of this set of data.
Mean, Median and Mode
This lesson shows how to calculate Mean, Median and Mode and some tricks to help you remember the differences of these methods of finding the Center.
The mean is the average.
To calculate the mean, you add add the values and divide by the number of values.
The median is the center.
List the numbers in order and pick the center one. If there are an even number of numbers find the mean of the two middle numbers.
The mode is the number that shows up the most. There can be more than one mode. If the values all appear the same number of times, there is no mode.
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