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Mean
Median
Mode
Central Tendency
More Statistics Lessons
These lessons help GMAT students review mean, median, mode and range.
Mean, median, mode and range are fundamental concepts in statistics that help describe and summarize a set of data. They are measures of central tendency and variability used to describe a dataset.
The following diagrams show how to find the mean, median, mode and range. Scroll down the page for examples and solutions.
Statistics Worksheets
Practice your skills with the following worksheets:
Printable & Online Statistics Worksheets
In summary, these four measures provide different insights into the central tendency and spread of a dataset. The mean gives the typical average, the median identifies the central point, the mode highlights the most common value, and the range shows how much the data varies.
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.
Example:
Find the mean, median and mode of this set of data.
35,8,12,50,55,22,34,22,34
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.
Examples:
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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