To calculate the average of a group of numbers, all one must do is add all the numbers up and then divide by the total amount of numbers.

Let’s take the following numbers for example:

6, 5, 4, 3

The sigma of 1 through n – or the sum of all the numbers is 18.

6 + 5 + 4 + 3 = 18

The n – or the total count of numbers is 4.
18 divided by 4 is 4.5.

18 / 4 = 4.5

 
It’s easy. Here, you can try it yourself.


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