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

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

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

Yup! In math, log usually means base 10, as that is the base system we normally use. ln is another button you'd find on a scientific calculator, which means natural logarithm, or log base …

Honestly, i thought translations, rotations, reflections and dilations would be hard as i just came from 7th grade. Turns out it's easier than the 7th grade math, Lol- Also, Has math always been …

The arithmetic mean is just the regular old mean, or average. To get it, you sum up all the values and divide by n. The reason why it is sometimes called the arithmetic mean is that there are …

This is the definition of "i", and it leads to all sorts of interesting things. Now some places you will see "i" defined this way; "i" as being equal to the principle square root of negative one.

An Introduction to Modular Math When we divide two integers we will have an equation that looks like the following:

Learn Formal definition of the derivative as a limit Formal and alternate form of the derivative Worked example: Derivative as a limit Worked example: Derivative from limit expression