Measure of Center

A measure of center, or a measure of central tendency, is a statistic that summarizes a data set by finding a central value. The most common measures of center are the mean, median, and mode. Measures of center are often used together with a measure of spread to give an idea of both what a typical value is and how much the data can be expected to deviate from it.

Move the points around in the dot plot to generate new data. The applet identifies the mean, median, and mode of the data set.