Archived posting to the Leica Users Group, 1997/09/05

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Subject: M6 problem survey
From: Eric Meyer <74415.1305@compuserve.com>
Date: Fri, 5 Sep 1997 22:00:55 -0400
 
To:  >INTERNET:Leica-users@mejac.palo-alto.ca.us

     Thanks to Patrick for actually providing some numbers on
confidence intervals in the survey.  Whether or not the analysis
is the best possible, it illustrates some of what's involved.

     I don't think either of us meant to be putting down Fernando's
efforts, just trying to control misinformation.  It's perfectly OK
to SUMMARIZE the survey results by saying (for example) that "X% of
these M6s had this problem".  But you can't PREDICT from this
that "any M6 you might encounter has an X% risk of this problem";
it's a lot more complicated than that.

              -- Eric Meyer.