# 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...
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http://www.wikihow.com/Calculate-Variance

## How to Calculate Variance From a Ti84?

Variance is a statistical parameter that analyzes the spread, or distribution, of data. Calculating variance quickly requires a statistics calculator like the TI-84 graphing calculator. The TI-84 c...
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http://www.ehow.com/how_8346066_calculate-variance-ti84.html

## How to Calculate a Variance Between Two Numbers?

Variance is a common formula used in statistics. Variance looks at how much a number is different from the mean of all the numbers. In order to calculate the variance between two numbers, you need ...
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http://www.ehow.com/how_8121877_calculate-variance-between-two-numbers.html

## How to Calculate Variance of a Sample?

In statistics, different values derived from a sample set have significant meanings. One of those values is the variance, which measures the spread of the sample. Other important values like the st...
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http://www.ehow.com/how_8054971_calculate-variance-sample.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...
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http://www.ehow.com/how_6549292_calculate-variance-online.html