ASVAB Arithmetic Reasoning Statistics Practice Test 679160

Question 2 of 5
Averages

The average (or mean) of a group of terms is the sum of the terms divided by the number of terms. Average = \({a_1 + a_2 + ... + a_n \over n}\)

Find the average of the following numbers: 15, 7, 12, 10.

8
13
11
9