Re: Help with Percentile formula !!

• To: mathgroup at smc.vnet.net
• Subject: [mg19404] Re: Help with Percentile formula !!
• From: rfinley at netdoor.com (Richard Finley)
• Date: Mon, 23 Aug 1999 13:57:16 -0400
• Organization: Internet Doorway, Inc. -- http://www.netdoor.com/
• References: <7pl8eg\$cmr@smc.vnet.net> <fRFv3.121\$Q77.4906@axe.netdoor.com>
• Sender: owner-wri-mathgroup at wolfram.com

```Oops...change the a to 50 in the example..
so as in the previous example a = 50, b=200 and (a/b)*100% =
>(50/200)*100% = 25%
sorry...RF

Richard Finley wrote in message ...
>Mike,
>values of what?  Percentiles have to be with respect to something.  For
>example, 50 is 50% of 100 but it is 25% of 200.  In general, to get the
>percentile of "a" with respect to "b" you use:
> (a/b)*100%
>...so as in the previous example a = 25, b=200 and (a/b)*100% =
>(25/200)*100% = 25%
>Hope that helps you,   RF
>
>
>News1 wrote in message <7pl8eg\$cmr at smc.vnet.net>...
>>Does anyone know the formula to work out percentiles given a list of
>values.
>>
>>Cheers
>>
>>Mike Brydon
>>mike.brydon at risk-reporting.com
>>
>>
>>
>>
>
>

```

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