Question

Kenny compiled a list of his past 8 math test grades.

(89, 84, 83, 81, 85, 87, 89, 80)
What is the mean absolute deviation of this data set?
A. 2.75
B. 22
C. 84.5
D. 84.75

Answer 1

2.75

Explanation:

i took the test

Answer 2

The answer would be 84.75 D

Explanation:

All you have to do is add all numbers and divide them by the number of grades Kenny has received.