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Your thoughts on calculating Percentile ?

MrDamon

MrDamon

Colt
I'm curious to know, for those of you that do, what is your preferred method of calculating the desired Percentile of a set of results?

The National Institute of Standards does it one way, Excel does it another way, and there are a couple of variants in between..

Does anyone have any experience and thoughts about the pro's and cons of any particular method?
 
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i must have percentile dysfunction. :doh:
 
Percentile.. If there are 100 students in a test and each score for example between 60% and 98% in the test then there is a formula to calculate who is in the top 10 percent of the class based on those test results.

However there are several methods of finding this percentile figure and each one will find a different figure.. I am currently working on something where I need an accurate percentile figure so I want to get a general consensus before I go any further.
 
I decided in the end to utilize excel's built-in Percentile function through vb.net

I used it when I was doing this same job this time last year but i wondered if others had an opinion.

Guess not :|
 
MrDamon said:
I'm curious to know, for those of you that do, what is your preferred method of calculating the desired Percentile of a set of results?
The National Institute of Standards does it one way, Excel does it another way, and there are a couple of variants in between..
Does anyone have any experience and thoughts about the pro's and cons of any particular method?
Click to expand...

I have only just read this post about different methods of calculating percentile, have you ever thought of using IBM's SPSS.

Code: 
[media=youtube]dK6aPPbh2Ew[/media]

I have V19.0 installed on my PC, and have a copy of V20.0 in my download folder :cool:
 
Last edited by a moderator:
The method I use to find % is divide the lesser num,ber by the greater number then multiply by 100.Not too sure what catergory that method comes under,so to find 10% of 100 you would divide 10 by 100 then multiply by 100.Another eg,what % is 67 of 185,just divide 67 by 185 then multiply by 100.
That method always seemed to work for the VAT man :) :) :)
 
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