Statistics Examples
,
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
Step 2
Step 2.1
Factor out of .
Step 2.2
Factor out of .
Step 2.3
Factor out of .
Step 2.4
Cancel the common factors.
Step 2.4.1
Factor out of .
Step 2.4.2
Cancel the common factor.
Step 2.4.3
Rewrite the expression.
Step 2.4.4
Divide by .
Step 3
Add and .