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WorksheetFunction.LogNormDist Method

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Excel Developer Reference

Returns the cumulative lognormal distribution of x, where ln(x) is normally distributed with parameters mean and standard_dev. Use this function to analyze data that has been logarithmically transformed.

Syntax

expression.LogNormDist(Arg1, Arg2, Arg3)

expression   A variable that represents a WorksheetFunction object.

Parameters

Name Required/Optional Data Type Description
Arg1 Required Double X - the value at which to evaluate the function.
Arg2 Required Double Mean - the mean of ln(x).
Arg3 Required Double Standard_dev - the standard deviation of ln(x).

Return Value
Double

Remarks

  • If any argument is nonnumeric, LOGNORMDIST returns the #VALUE! error value.
  • If x ≤ 0 or if standard_dev ≤ 0, LOGNORMDIST returns the #NUM! error value.
  • The equation for the lognormal cumulative distribution function is:
    Equation

See Also