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.

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

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!

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 …

When a single high score in a group of four friends increases, the mean score also increases, but the median score stays the same. This is because the median is the middle number, which …

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

Learn about mean, median, and mode as measures of central tendency in statistics.

Mean and median both try to measure the "central tendency" in a data set. The goal of each is to get an idea of a "typical" value in the data set. The mean is commonly used, but sometimes …

Confidence interval for a mean with paired data Making a t interval for paired data Interpreting a confidence interval for a mean Sample size for a given margin of error for a mean

Learn Statistics intro: Mean, median, & mode Mean, median, & mode example Calculating the mean