Step by step
The question
Question: find the mean of 0, 0, 3 and 5.
Mean of 0, 0, 3, 5
The mean is the fair share.
We add them all, then share the total equally.
mean: add them all, then ÷ how many
1 Add them all
We add all the numbers, from left to right.
= 0 + 0 + 3 + 5
So the total is 8.
= total = 8
2 Count them
Now we count the numbers.
There are 4.
= how many = 4
3 Share equally
We share the total equally: 8 divided by 4.
= mean = 84
8 divided by 4 is 2.
= mean = 2
4 Check
Let's check: if every number were 2, 4 of them would make 2 times 4.
That is 8, the total.
So it is right!
2 × 4 = 8
Let's look back.
First: add them all.
Then: count them.
Then: share equally.
Last: check.
Answer
= mean = 2