It says last 5 bowling scores but there’s only four numbers listed just fyi
To find the mean, add all the numbers up and then divide by how many numbers you just added.
So, let’s add 68, 75, 90, 80
That equals 313. Now let’s divide by four, since we added four numbers together.
313 divided by four equals 78.25
So out of those four scores you gave me, her average was score 78.25
Hope this helped :)