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                | dhiman95 | 
                Posted - 07/18/2021 : 2:03:04 PM  Origin Ver. and Service Release (Select Help-->About Origin):  Operating System: Sir, I have a problem with calculating the mean and standard deviation of a lognormal distribution. In this distribution, I got a mean of 64.6 and a standard deviation of 40.44, but I think this standard deviation is not right. Can you please help me to sort out this problem?  | 
               
              
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                | Echo_Chu | 
                Posted - 07/19/2021 : 05:48:21 AM  Hi, 
  The standard deviation of lognormal is created with equation in the page below https://www.originlab.com/doc/Origin-Help/LogNormal-FitFunc
  I am not quite sure why you feel the result is not right?
  Echo OriginLab Technical Support | 
               
             
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