Subject & Study Guides: DIY Maths: Mean, median and mode

MEAN, MEDIAN AND MODE

In this module, you can study the basic statistical measures of central tendency: mean, median and mode.

Did you know?

When most people say "average" they are talking about the "mean" of a data set, but in statistics, "average" can refer to the mean, the median and the mode.

Some data sets have no mode, and some have more than one mode!

Study and practice

Study mean
This page from mathsisfun.com provides several examples showing how to calculate the mean of a set of numbers. One of the examples involves negative numbers. At the end, you can link to "the mean machine" or take a quiz.
For a more advanced discussion of mean, see www.onlinemathlearning.com/mean.html.
Study median
Read about the median at mathsisfun.com. At the bottom of this page, you can try finding the median of different data sets, and you can take a quiz on medians. For a more advanced discussion of median, see www.onlinemathlearning.com/median.html.
Study mode
This site from mathgoodies.com provides several examples showing how to find the mode for a set of data. At the end, you can try a quiz.
For a more advanced discussion about modes, see www.onlinemathlearning.com/mode.html.
Download a mean, median and mode worksheet with answers
Print a worksheet (answers included) and try your hand at a few problems. The worksheet also includes "range" calculations, which are covered in the next module. You can skip these if you wish.
Quiz yourself on mean, median and mode
This page from mathsisfun.com provides a quick overview of mean, median and mode and then has a quiz at the end.