> The tolerance limits for a part are placed outside of the control
> limits and are never inside of them.  Once the control chart has
> been established, data is recorded on it and it becomes a record
> of the variation of an inspected dimension over a period of time.
> The data plotted should fall in random fashion between the control
> lines, if all assignable causes for variation are absent.  When the
> data fall in this manner, it can be assumed that the part is being
> made correctly 99.73% of the time; that is, no more than 3 out of
> 1000 will leave the process incorrectly made.
> So long as the points fall between the control lines, no adjustments
> or changes in the process are necessary.  If five to seven points fall
> on one side of the mean, the process should be checked.  When points
> fall outside of the control lines, the cause must be located and

from localhost (jalapeno [127.0.0.1])
	by jmason.org (Postfix) with ESMTP id 88B4016F75
	for <jm@localhost>; Thu, 26 Sep 2002 16:41:23 +0100 (IST)
from jalapeno [127.0.0.1]
	by localhost with IMAP (fetchmail-5.9.0)
	for jm@localhost (single-drop); Thu, 26 Sep 2002 16:41:23 +0100 (IST)
from dogma.slashnull.org (localhost [127.0.0.1]) by
    dogma.slashnull.org (8.11.6/8.11.6) with ESMTP id g8QFVag25034 for
    <jm@jmason.org>; Thu, 26 Sep 2002 16:31:36 +0100
From rssfeeds@jmason.org  Thu Sep 26 16:42:16 2002

No, hits=-580.8 required=5.0
	tests=AWL
	version=2.50-cvs

from localhost (jalapeno [127.0.0.1])
	by jmason.org (Postfix) with ESMTP id 2063416F7C
	for <jm@localhost>; Tue, 26 Nov 2002 19:00:18 +0000 (GMT)
from jalapeno [127.0.0.1]
	by localhost with IMAP (fetchmail-5.9.0)
	for jm@localhost (single-drop); Tue, 26 Nov 2002 19:00:18 +0000 (GMT)
from webnote.net (mail.webnote.net [193.120.211.219]) by
    dogma.slashnull.org (8.11.6/8.11.6) with ESMTP id gAQGIBW11003 for
    <jm@jmason.org>; Tue, 26 Nov 2002 16:18:11 GMT
from mail.python.org (mail.python.org [12.155.117.29]) by
    webnote.net (8.9.3/8.9.3) with ESMTP id QAA06952 for <jm@jmason.org>;
    Tue, 26 Nov 2002 16:19:40 GMT
from localhost.localdomain ([127.0.0.1] helo=mail.python.org) by
    mail.python.org with esmtp (Exim 4.05) id 18GiQu-0005cv-00; Tue,
    26 Nov 2002 11:19:32 -0500
from woozle.org ([216.231.62.189] ident=postfix) by
    mail.python.org with esmtp (Exim 4.05) id 18GiQr-0005b0-00 for
    spambayes@python.org; Tue, 26 Nov 2002 11:19:30 -0500
by woozle.org (Postfix, from userid 5000) id A597E1A18A;
    Tue, 26 Nov 2002 08:19:23 -0800 (PST)
"&g4:h\nuA>dfRaRmJ5c+Mqvu!,|5@dd>:BqJ,#G:mT3`i-EF{L>6oE?di}m\;
    Wil(?AS(@9j"G@o-UR8(BU$)u.%I;*K9%4Vj.fO$W9-bjxPgl%|#{^W@e#1/jZ@,G:>&;
    JzJrBqMqomx3Z#Hg.``g5v%R[+PzjYtAa&l@EtK{R<;.,gV`5$8Go1OJB=L`R(<)U$M4YK-t;
    a}oA1y([AV@r$%?AJW[:_|_*r44[Gl{3@:Ff6U9XFOJxp%lZWI-d0-1l5+6aMAOAT+Ac%q@E3t|:2;
    lpSwi=1"gf7g{Bz+U2MI
From spambayes-bounces@python.org  Tue Nov 26 19:06:07 2002