Difference between revisions of "SampleVariance Command"

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Revision as of 20:23, 9 March 2013



SampleVariance[ <List of Numbers> ]
Returns the sample variance of given list of numbers.
SampleVariance[ <List of Numbers>, <List of Frequencies> ]
Returns the sample variance of given list of numbers considering the frequencies.
Example:
SampleVariance[{1, 2, 3, 4, 5},{3, 2, 4, 4, 1}] yields 1.29.


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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