The mean of a set of numbers is the sum divided by the number of terms.
35+23+31+244
Step 2
Simplify the numerator.
Add 35 and 23.
58+31+244
Add 58 and 31.
89+244
Add 89 and 24.
1134
1134
Step 3
Divide.
28.25
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.