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

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 absolute deviation (MAD) is the mean (average) distance between each data value and the mean of the data set. It can be used to quantify the spread in the data set and also be helpful in …

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 from least to …

Let's see if we can give ourselves an intuitive understanding of the mean value theorem. And as we'll see, once you parse some of the mathematical lingo and notation, it's actually a quite intuitive theorem.

To find the Mean Absolute Deviation (MAD), first calculate the mean (average) of your data set. Next, find the absolute difference (distance) between each data point and the mean. Sum up these …

So, really standard deviation is: calculating the difference of each item to the mean, and squaring that value. Once you calculate all the values in a different list, you take the mean of that. Then, you take …

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.