89, 75, 81, 65, 80
Find the average value of the following list of numbers.
The average value of the list of numbers is calculated by adding all the numbers together and then dividing by the total number of values.
89 + 75 + 81 + 65 + 80 = 390
Now, divide 390 by the total number of values (5):
390 / 5 = 78
The average value of the list of numbers is 78.