Question

Linda received the following scores on her essay tests.

64, 65, 63, 66, 60, 65, 66, 68, 69, 66, 63

What is the mean of her scores?

64.5
65
65.5
66

Answer 1

First, we add the numbers. This gives us 715.
Then, we divide it by the amount of numbers. This gives us. 715 divided by 11.

This simplifies to 65.

Answer 2

the mean ( average ) if found by taking all of the values in a set, adding them together, then dividing by the total number of values. 
in this case the mean would be 65