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

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

Advanced Statistical Modeling

Automation and Scripting

Basic Data Analysis and Modeling

Data Exploration and Visualization

Quality and Process Engineering

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

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-p/22574

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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