, , , ,
The mean of a set of numbers is the sum divided by the number of terms.
Add and .
Add and .
Add and .
Add and .
Rewrite as .
Cancel the common factors.
Rewrite as .
Cancel the common factor.
Rewrite the expression.
Divide.
Find the Mean (Arithmetic) 1.2 , 4.3 , 5.7 , 7.4 , 7.4