Statistics Examples

Step 1
The mean of a set of numbers is the sum divided by the number of terms.
Step 2
Cancel the common factor of and .
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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.
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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 .
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