we do this by adding up all of our and dividing it by how many numbers we have, so it only takes two steps.
step 1: add up all of the data (all of the numbers).
step 2: divide the number you got in step 1 by how many numbers there are.
to, the mean of this set of data is 4.
this works for any amount of numbers, even just 2!
but really, this is just finding the number between 2 and 8. 