Difference between revisions of "SampleVariance Command"

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;SampleVariance[ <List of Numbers> ]
 
;SampleVariance[ <List of Numbers> ]
 
:Returns the [[w:Sample_variance#Population_variance_and_sample_variance|sample variance]] of given list of numbers. If the list contains undefined variables, it yields a formula for the sample variance.
 
:Returns the [[w:Sample_variance#Population_variance_and_sample_variance|sample variance]] of given list of numbers. If the list contains undefined variables, it yields a formula for the sample variance.
: {{Example|1= <code>SampleVariance[{x, y, z}]</code> returns <math>\frac{x² - x y - x z + y² - y z + z²}{3}</math>.}}
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: {{example|1=<div><code><nowiki>SampleVariance[{x, y, z}]</nowiki></code> yields <math>\frac{x² - x y - x z + y² - y z + z²}{3}</math>.</div>}}

Revision as of 09:44, 25 August 2011



SampleVariance[ <List of Numbers> ]
Returns the sample variance of given list of numbers.

CAS Syntax

SampleVariance[ <List of Numbers> ]
Returns the sample variance of given list of numbers. If the list contains undefined variables, it yields a formula for the sample variance.
Example:
SampleVariance[{x, y, z}] yields \frac{x² - x y - x z + y² - y z + z²}{3}.
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