Help Zone

ZenZombie9054

How do you calculate an average? I don't remember...

Éveline O

Hi!

To calculate an average, you can use the following formula:

$$ Average = \frac {Sum\ of\ all\ data} {Number\ of\ data} $$

Here is an example:

Julie has 23 candies, Marc has 19 and Sophie has 21. What is the average number of candies each of them has?

 So let's apply this formula to this problem:

$$ Average = \frac {23 + 19 + 21} {3} $$

$$ Average = \frac {63} {3} $$

$$ Average = 21 $$

 Children, therefore, have an average of 21 candies.

Feel free to ask us more questions if you have any!