# Find the Mean (Arithmetic) -80 , 20 , -5 , 1.25

-80 , 20 , -5 , 1.25
The mean of a set of numbers is the sum divided by the number of terms.
-80+20-5+1.254
Simplify the numerator.
-60-5+1.254
Subtract 5 from -60.
-65+1.254