# How to Calculate Variance of Frequency Data?

A frequency of numbers, which is also called a data set, can be used to calculate the variance. This is done by first determining the mean of the data set. You can develop a data set by obtaining r... Read More »
http://www.ehow.com/how_8140132_calculate-variance-frequency-data.html

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## How to Calculate Variance?

Variance formulaVariance is an extremely important statistic, and is usually one of the first formulas taught in any statistics course. Variance is used to measure variablity within data. It is usu... Read More »
http://www.wikihow.com/Calculate-Variance

## How to Calculate Average Variance?

Variance is a measure that describes how a set of numbers is spread around the mean of the number set. The larger the variance, the further the values are spread out. Variance is closely related to... Read More »
http://www.ehow.com/how_8271600_calculate-average-variance.html

## How to Calculate Variance Analysis?

At the end of an accounting period, a variance analysis is performed for management review to identify areas of operation that are not meeting normal or budgeted goals. Management uses the informat... Read More »
http://www.ehow.com/how_6407914_calculate-variance-analysis.html

## How to Calculate Variance Online?

The variance is a statistical measure of spread, or dispersion, in a group of numbers. It is the square of the standard deviation and is equal to the square of the average difference between the n... Read More »
http://www.ehow.com/how_6549292_calculate-variance-online.html

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