From: tmoran@acm.org
Subject: Re: OT: definition of "significant figures"
Date: Sun, 31 Jul 2005 23:11:34 -0500
Date: 2005-07-31T23:11:34-05:00 [thread overview]
Message-ID: <HKadnYKJaJlrPXDfRVn-iA@comcast.com> (raw)
In-Reply-To: e3nqe19bqp99h20anetgc7m63ai8ol84nv@4ax.com
> The average of 2.1, 33.1, 2.2 -> is 12.5... Not 12.47, 12.46, or
> 12.46666
The std dev is 16.24 which is > 12.4666, log(avg/sd) = -.115 so by
the log(avg/sd) definition there are fewer than 1 significant digits.
So the average of 2.1, 33.1, 2.2 would be "10", or perhaps even "10**1"
next parent reply other threads:[~2005-08-01 4:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e3nqe19bqp99h20anetgc7m63ai8ol84nv@4ax.com>
2005-08-01 4:11 ` tmoran [this message]
2005-08-01 6:50 ` OT: definition of "significant figures" tmoran
2005-08-01 16:58 ` tmoran
2005-08-01 23:56 ` tmoran
2005-07-29 4:23 tmoran
2005-07-29 14:46 ` Jacob Sparre Andersen
2005-07-30 23:44 ` Dr. Adrian Wrigley
2005-07-31 7:02 ` tmoran
2005-08-01 7:31 ` Jacob Sparre Andersen
2005-07-31 8:36 ` Dmitry A. Kazakov
2005-07-31 19:08 ` tmoran
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