# Find the Variance 10 , 2 , -6 , -14 , -22

, , , ,
The mean of a set of numbers is the sum divided by the number of terms.
Simplify the numerator.
Subtract from .
Subtract from .
Subtract from .
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.
Raise to the power of .
Raise to the power of .
Raising to any positive power yields .
Raise to the power of .
Raise to the power of .
Simplify the expression.
Subtract from .
Divide by .
Approximate the result.
Find the Variance 10 , 2 , -6 , -14 , -22

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