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Percentile Function
Math Statistics Class

Public Function Percentile( _
      ByVal vN As Variant _
    , ParamArray vValues() As Variant _
    ) As Variant

Return the value from vValues at the Nth percentile.
Inverse of the PercentRank function.

Examples: 
    Percentile(0.00, 12, 34, 56) = 12
    Percentile(0.25, 12, 34, 56) = 23
    Percentile(0.50, 12, 34, 56) = 34
    Percentile(0.75, 12, 34, 56) = 45
    Percentile(1.00, 12, 34, 56) = 56
See also: 
    PercentRank Function
    Quartile Function
    Rank Function
    Small Function
    Large Function
    TrimMean Function
    Minimum Function
    Maximum Function
    PERCENTILE Function (Microsoft Excel)
vN: The percentile whose corresponding value will be returned. Must be between 0 and 1 inclusive.
vValues: The values that are to be processed. Can be numbers, one-dimensional numeric arrays, one-dimensional Variant arrays, one-dimensional Variant arrays with embedded arrays, or any combination of these. The current setting of the StatVarType Property determines which numeric data types are recognized by this function.
Return value: Function returns the value from vValues whose percentile is vN, or it will use interpolation to determine a value if there is no value whose percentile is vN. Function returns Null if none of the vValues arguments are numeric, or if vN is not between 0 and 1 inclusive.

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