# How to Find Variance With the TI-83?

A basic tool in statistics and probability, variance calculates the spread of a data set, which helps in identifying it for later distributions and samples. A data set's variance comes at the end o...
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http://www.ehow.com/how_8168497_variance-ti83.html

## How to Find Mean & Variance?

Statistical data helps people make decisions by finding numerical values that relates to the subjects in question. The mean, also known as the average, is simply a measure of where the middle of a ...
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http://www.ehow.com/how_8287144_mean-variance.html

## How to Calculate Variance With a Calculator?

Variance is a term in statistics used to measure how much variation there is in a set of numbers. For example, the set "1, 1, 1" has a variance of zero, since the numbers never vary. But the number...
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http://www.ehow.com/how_8246526_calculate-variance-calculator.html

## How to Request an FDA Variance?

The United States Food and Drug Administration aims to protect the public health. The agency regulates and oversees several products including food, tobacco, medications, cosmetics, medical devices...
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http://www.ehow.com/how_7352713_request-fda-variance.html

## 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