WorksheetFunction.LogNorm_Dist method (Excel)

Returns the 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.LogNorm_Dist (Arg1, Arg2, Arg3, Arg4)

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).
Arg4	Optional	Variant	Cumulative - A logical value that determines the form of the function. If cumulative is True, LogNorm_Dist returns the cumulative distribution function; if False, it returns the probability density function.

Return value

Double

Remarks

If any argument is nonnumeric, LogNorm_Dist returns the #VALUE! error value.

If x ≤ 0 or if standard_dev ≤ 0, LogNorm_Dist returns the #NUM! error value.

The equation for the lognormal cumulative distribution function is:

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