The mean of a set of numbers is the sum divided by the number of terms.
84+44+323
Step 2
Simplify the numerator.
Add 84 and 44.
128+323
Add 128 and 32.
1603
1603
Step 3
Divide.
53.‾3
Step 4
The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.