Variance
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Function Description
Returns the (sample) variance 
of a series 
(for
),
calculated as follows:
(where 
is
the mean of the series)
The equivalent function in Microsoft Excel is VAR.
If the observations are drawn from a normal distribution
then the sample standard deviation is an unbiased estimate of the underlying
population standard deviation.
NAVIGATION LINKS
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Output type / Parameter details
Output type: Double
| Parameter Name | Variable Type | Description |
| InputArray | Double() | Array containing data series to be analysed |
Links to:
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Interactively run function
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Interactive instructions
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Example calculation
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Output type / Parameter details
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Illustrative spreadsheet
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Other Statistical functions
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Computation units used
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