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ghteymoori1362
ghteymoori1362
Level I

Calculating confidence interval of RSD% with confidence level of 95%

Apr 15, 2024 08:02 AM (3184 views)

Hi,

 

Anyone knows how to calculate confidence interval of RSD% with confidence level of 95%?

 

I have data set with 6-12 datapoints. I would like to calculate confidence interval of RSD% to investigate the distributions over time.

 

Thanks in advance,

Gholamhasan Teymoori

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1 REPLY 1
MRB3855
Super User MRB3855
Super User

Re: Calculating confidence interval of RSD% with confidence level of 95%

Created: Apr 15, 2024 08:06 AM  |  Last Modified: Apr 15, 2024 5:08 AM (3181 views)  |  Posted in reply to message from ghteymoori1362 04-15-2024

Hi @ghteymoori1362 : Here ya go. CV is Coefficient of Variation which is Sigma/mean. Just multiply by 100 to get % RSD.  

https://community.jmp.com/t5/JMP-Scripts/Confidence-Interval-for-the-Coefficient-of-Variation-CV/ta-...

 

Edit: Appears it already multiplies by 100 so no need to do that. You can verify this via the mean and SD.  

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