# Find the Mean (Arithmetic) 1.9 , 5.0 , 6.4 , 8.1 , 8.1

1.9 , 5 , 6.4 , 8.1 , 8.1
The mean of a set of numbers is the sum divided by the number of terms.
1.9+5+6.4+8.1+8.15
Simplify the numerator.
6.9+6.4+8.1+8.15
13.3+8.1+8.15
21.4+8.15