The mean of a set of numbers is the sum divided by the number of terms.
57+29.987362
Step 2
Add 57 and 29.98736.
86.987362
Step 3
Divide86.98736 by 2.
43.49368
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.