Calculating the mean Calculating the median Choosing the "best" measure of center Mean, median, and mode review

Learn how to calculate the mean by walking through some basic examples & trying practice problems. The mean is used to summarize a data set. It is a measure of the center of a data set. Let's look at …

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.

Practice calculating the mean (average) of a data set. The mean gives us a sense of the middle, or center, of the data.

Khan Academy ... Khan Academy

This Khan Academy article reviews mean, median, and mode concepts with examples to help understand their application in statistics and probability.

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.

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!

Explore how we can think of the mean as the balancing point of a data distribution. You know how to find the mean by adding up and dividing. In this article, we'll think about the mean as the balancing point. …