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: <email@example.com> <fRFv3.121$Q77.firstname.lastname@example.org>
- Sender: owner-wri-mathgroup at wolfram.com
Oops...change the a to 50 in the example.. so as in the previous example a = 50, b=200 and (a/b)*100% = >(50/200)*100% = 25% sorry...RF Richard Finley wrote in message ... >Mike, >values of what? Percentiles have to be with respect to something. For >example, 50 is 50% of 100 but it is 25% of 200. In general, to get the >percentile of "a" with respect to "b" you use: > (a/b)*100% >...so as in the previous example a = 25, b=200 and (a/b)*100% = >(25/200)*100% = 25% >Hope that helps you, RF > > >News1 wrote in message <7pl8eg$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 >> >> >> >> > >