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gracy.hm

42 Posts
Posted - 03/31/2014 :  9:20:01 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin):
Operating System: win 7

Hello,
I am asking slightly different question , pardon me for that. Can anybody guide me when we plot box-whisker plot, what is the scientific reason we plot 10 th/ 90 th percentile or 5 th/95 percentile . Why it is important to plot so? why we dont plot any other number and why physical quantity it means.
I shall be very thankful to you.
gracy

Hideo Fujii

USA
1582 Posts
Posted - 04/02/2014 :  2:26:16 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi gracy,

Sorry, I don't have a definite answer, but I think it's just a convention in statistics similar to the significance levels:
10% marginally significant
 5% significant
 1% highly significant
This article says, such criteria are not "sacrosanct limits". If I may, you may want to give the "mnemonics" like: 
10-90 modestly inclusive
 5-95 significantly inclusive
 1-99 highly significantly inclusive
I found an interesting article here.

Hope this suggests something.

--Hideo Fujii
OriginLab
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