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From: billp@azure.UUCP (Bill Pfeifer)
Newsgroups: net.misc
Subject: Re: IQ Statistics, Anyone?
Message-ID: <61@azure.UUCP>
Date: Thu, 27-Sep-84 12:07:00 EDT
Article-I.D.: azure.61
Posted: Thu Sep 27 12:07:00 1984
Date-Received: Sun, 30-Sep-84 03:33:00 EDT
Organization: Tektronix, Beaverton OR
Lines: 20

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>   I know what an Intelligence Quotient (IQ) is, but I don't know the
>   distribution of IQs through the general population (besides, of course,
>   one per person :-)).  I assume the mean IQ is 100, but what is the
>   standard deviation?
>   				-- Carl Deitrick (iham1!cbd)

That depends on the test which is used to measure the IQ.
Although the tests are centered at 100, the standard deviation varies.
MENSA obviously has done a lot of research on IQs, and here are some of
their data:

   Test                           Std. Dev.  Admission Score for MENSA
Revised Binet                       15.8            133
Cattell                             23.7            148
Wechsler Adult Intelligence Scale   15.0            130
California Test of Mental Maturity  16.0            132

	Bill Pfeifer
{ucbvax,decvax,ihnp4,allegra,uw-beaver,hplabs} !tektronix!tekmdp!billp