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Description: Returns the mean of a lognormal distribution.
Syntax: lognormmean(Mean, Standard_dev)
Mean is the mean of ln(X).
Standard_dev is the standard deviation of ln(X).
Remarks:
Mean must be numerical.
Standard_dev must be numerical and > 0.
All parameter values can include:
Numerical values
Standard operands (+, -, *, /)
Predefined mathematical functions (exp, log, sin, etc.)
References to any analysis workbooks
Example:
lognormmean(1, 2)
Returns:
20.085537
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