SampleVariance Command

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SampleVariance[ <List of Raw Data> ]
Returns the sample variance of given list of numbers.
Example:
SampleVariance[ {1, 2, 3, 4, 5} ] yields a = 2.5.


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 a = 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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