Re: [PSES] 80/80 rule

Mon, 18 Nov 2019 11:19:42 -0800 

Thanks for your response, but the rule dates back much further.

Best wishes
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk
Rayleigh, Essex UK

On 2019-11-18 18:11, Wiseman, Joshua wrote:


John,
I first came across it in Annex H of CIPSR 11: 2015.  The informative annex gives some guidance on statistical confidence levels and references the 80/80 rule. 

It also gives guidance on sample size based on the margins you see.
I don’t know much more than this.  It proved helpful when we had an issue recently though.  It gave me a place to point to support my point of view. 

Josh

*Joshua Wiseman*

Systems Engineering

Staff Engineer, Product Safety/EMC

*Ortho Clinical Diagnostics*

**

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*From:* John Woodgate <j...@woodjohn.uk>
*Sent:* Monday, November 18, 2019 12:55 PM
*To:* EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* [PSES] 80/80 rule
*EXTERNAL SENDER: Verify links, attachments and sender before taking action*
Can someone tell me when the 80/80 rule was introduced into CISPR standards and if possible, a bit more detail than just the date, please? 

--
Best wishes
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associateswww.woodjohn.uk  
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Rayleigh, Essex UK

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