Calculating the mean There are many different types of mean, but usually when people say mean, they are talking about the arithmetic mean. The arithmetic mean is the sum of all of the data …

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 …

The derivative of a function describes the function's instantaneous rate of change at a certain point - it gives us the slope of the line tangent to the function's graph at that point. See how we …

I want to ask, is it a function that is important? What I mean is that even if an equation does not satisfy the definition of a function, we can still get its results. Is there any special reason why …

A function is like a machine that takes an input and gives an output. Let's explore how we can graph, analyze, and create different types of functions. Unit guides are here! Power up your …

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 …

Not here, no. If you're working with computer representations of matrices, it's often easiest to 0-index. But in pure math, we start counting at 1.

If you want to remove the outliers then could employ a trimmed mean, which would be more fair, as it would remove numbers on both sides.

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 …

That's right! The main difference between the two definitions is that the first uses line segments and the second uses a circle.