# What is Arithmetic Mean?

Apr 1, 2018

average

#### Explanation:

when they tell you to find arthemetic mean, simply find the average. average is the sum of all numbers given over their quantity. e.g. : if you were to find your average in exams and your grades are 100, 98, and 96
your average is $\frac{100 + 98 + 96}{3}$
which is 98

Apr 1, 2018

See below:

#### Explanation:

The arithmetic mean is an average.

This means that you find the "central value in a set of numbers".

Say I scored $89 , 90 , 96 , \mathmr{and} 83$ on some tests in school, and I wanted to calculate my average score.

I would add all of them together and divide by the number of scores that I was combining (which is $4$, because I took four tests):

$\frac{89 + 90 + 96 + 83}{4} = \text{average}$

$\frac{358}{4} = \text{average}$

$89.5 = \text{average}$

So $89.5$ is my arithmetic mean score.