Basic Math Examples

Find the Mean 77 , 82 , 70 , 59 , 90 , 105
, , , , ,
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
Step 2
Simplify the numerator.
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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 3
Cancel the common factor of and .
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Step 3.1
Factor out of .
Step 3.2
Cancel the common factors.
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Step 3.2.1
Factor out of .
Step 3.2.2
Cancel the common factor.
Step 3.2.3
Rewrite the expression.
Step 4
Divide.