# Find the Variance 6 , 7 , 10 , 11 , 11 , 13 , 16 , 18 , 25

, , , , , , , ,
The mean of a set of numbers is the sum divided by the number of terms.
Simplify the numerator.
Divide by .
Set up the formula for variance. The variance of a set of values is a measure of the spread of its values.
Set up the formula for variance for this set of numbers.
Simplify the result.
Simplify the numerator.
Subtract from .
Raise to the power of .
Subtract from .
Raise to the power of .
Subtract from .
Raise to the power of .
Subtract from .
Raise to the power of .
Subtract from .
Raise to the power of .
Subtract from .
Raising to any positive power yields .
Subtract from .
Raise to the power of .
Subtract from .
Raise to the power of .
Subtract from .
Raise to the power of .