Learn about mean, median, and mode with Khan Academy's comprehensive review of these fundamental concepts in statistics.

Mean, median, and mode are different measures of center in a numerical data set. They each try to summarize a dataset with a single number to represent a "typical" data point from the dataset.

The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered …

Calculate the mean, median, or mode of a data set!

Here we give you a set of numbers and then ask you to find the mean, median, and mode. It's your first opportunity to practice with us!

Mean, median, and mode are different measures of center in a numerical data set. They each try to summarize a dataset with a single number to represent a "typical" data point from the dataset.

Learn how to calculate the mean by walking through some basic examples & trying practice problems.

Practice finding the median of a data set. Like the mean, the median gives us a sense of the middle, or center, of the data.

Mean and median Learn Statistics intro: Mean, median, & mode Mean, median, & mode example

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