The mean of a set of numbers is the sum divided by the number of terms.
4+36.166462
Step 4
Add 4 and 36.16646.
40.166462
Step 5
Divide40.16646 by 2.
20.08323
Step 6
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.