From owner-freebsd-platforms Sun Aug 17 07:58:40 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id HAA02621 for platforms-outgoing; Sun, 17 Aug 1997 07:58:40 -0700 (PDT) Received: from fly.HiWAAY.net (root@fly.HiWAAY.net [208.147.154.56]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id HAA02600; Sun, 17 Aug 1997 07:58:35 -0700 (PDT) Received: from nospam.hiwaay.net (tnt1-87.HiWAAY.net [208.147.147.87]) by fly.HiWAAY.net (8.8.6/8.8.6) with ESMTP id JAA14445; Sun, 17 Aug 1997 09:58:32 -0500 (CDT) Received: from nospam.hiwaay.net (localhost [127.0.0.1]) by nospam.hiwaay.net (8.8.6/8.8.4) with ESMTP id JAA14108; Sun, 17 Aug 1997 09:58:30 -0500 (CDT) Message-Id: <199708171458.JAA14108@nospam.hiwaay.net> X-Mailer: exmh version 2.0zeta 7/24/97 To: Greg Lehey cc: chat@FreeBSD.ORG, platforms@FreeBSD.ORG From: dkelly@hiwaay.net Subject: Re: speed test In-reply-to: Message from Greg Lehey of "Sun, 17 Aug 1997 15:00:33 +0930." <19970817150033.65486@lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 17 Aug 1997 09:58:28 -0500 Sender: owner-freebsd-platforms@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Greg Lehey writes: > > On Sat, Aug 16, 1997 at 12:42:09PM -0600, Warner Losh wrote: > > In message <199708161005.MAA02831@desk.jhs.no_domain> "Julian H. Stacey" writes: > >> What does "3-sigma" mean in English ? > >> (I'm English not American, perhaps others were puzzled too ?) > > > > Three standard deviations away from the average. Generally used to > > connote being on the cutting edge. > > That's a rather arbitary interpretation, isn't it? What about the > trailing edge? It means "an event whose probability falls outside 3 standard deviations from the mean", including those above and those below the mean. For it to mean anything at all you have to consider who took the samples. -- David Kelly N4HHE, dkelly@hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system.