Basic Math Examples

Find the Mean 21 , 25 , 26 , 29 , 31 , 33 , 33 , 34 , 34 , 38 , 39 , 41 , 42 , 45 , 49 , 61 , 72 , 80
, , , , , , , , , , , , , , , , ,
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
Step 2
Simplify the numerator.
Tap for more steps...
Step 2.1
Add and .
Step 2.2
Add and .
Step 2.3
Add and .
Step 2.4
Add and .
Step 2.5
Add and .
Step 2.6
Add and .
Step 2.7
Add and .
Step 2.8
Add and .
Step 2.9
Add and .
Step 2.10
Add and .
Step 2.11
Add and .
Step 2.12
Add and .
Step 2.13
Add and .
Step 2.14
Add and .
Step 2.15
Add and .
Step 2.16
Add and .
Step 2.17
Add and .
Step 3
Divide.
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.