Some excerpts from messages N4ZR and I exchanged last month...
>At 10:00 AM 1/10/2002 -0500, N4ZR wrote:
>
>>It's worth remembering that a poll of a little over 1000 people is
>>considered statistically representative of the entire adult population of
>>the United States, within +/- 3 percentage points. You can imagine how
>>small a sample would give comparable results for the ham population of
>>700,000 or so. That makes it pretty likely that very few contesters are in
>>the sample for any given QST reader poll.
>
>
>The results of the last 3 ARRL Readex surveys have had error rates of 3.6, 3.6
>and 3.5 points. And yes, out of 160K members, 6K contesters won't be noticed
>much (4%). Of those ARRL members on this reflector (about 700?), the
>percentage is more like 0.4%. So of roughly 800 surveys returned, only three
>might be from people on this reflector.
> -- Tom
=====
e-mail: k1ki@arrl.org ARRL New England Division Director http://www.arrl.org/
Tom Frenaye, K1KI, P O Box J, West Suffield CT 06093 Phone: 860-668-5444
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