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Faidhle:IQ curve.svg

Am faidhle tùsail ‎(Faidhle SVG, a-rèir ainm 600 × 480 pixel, meud faidhle: 9 KB)

'S ann à Wikimedia Commons a tha am faidhle seo agus faodaidh gu bheil pròiseactan eile 'ga chleachdadh. Chì thu an tuairisgeul a tha aice air [duilleag tuairisgeul an fhaidhle https://commons.wikimedia.org/wiki/File:IQ_curve.svg] gu h-ìosal.

Gearr-chunntas

Tuairisgeul Current IQ tests typically have standard scores such that the mean score is 100 with each standard deviation from the mean counting for 15 IQ points.[1] The plot shows, assuming that such scores have a normal distribution, the percentage of people getting a score versus the score itself, from 55 to 145 IQ, that is over a span of six standard deviations. Spans are represented with different colors for each standard deviation above or below the mean. The plot was created with the following gnuplot code:
SVG genesis
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This chart was created with Gnuplot.
 
This chart uses translateable embedded text.
Source code
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Gnuplot code

set terminal svg name 'IQ_curve' size 600,480 font ',10' rounded
set output 'IQ_curve.svg'

mu    = 100.0
sigma = 15.0
from  = 55
to    = 145

# Normal distribution:
# (continuos normalization approximation, good to ~10 digits in this case)
P(x) = exp(-(x - mu)**2 / (2 * sigma**2)) / (sqrt(2 * pi) * sigma) * 100
# By sigma intervals:
oddsi(x) = (int(abs(x - mu) / sigma) % 2) ^ (x < mu)
Pm(x) =               (x == mu)  ? P(x) : 1/0 # sample at mu
Po(x) = ( oddsi(x) && (x != mu)) ? P(x) : 1/0 # samples in odd sigma intervals
Pe(x) = (!oddsi(x) && (x != mu)) ? P(x) : 1/0 # samples in even sigma intervals

set key off
set border 3
set xlabel 'IQ'
set xtics 10 out nomirror
set mxtics 2
set ylabel 'Population, %'
set ytics 1 out nomirror
set mytics 2
set samples (to - from + 1)
set style function impulses
plot [x = from:to] \
 Pm(x) lw 2, \
 Po(x) lw 2, \
 Pe(x) lw 2
Ceann-là
Tùs M’ obair fhèin
Ùghdar Alessio Damato, Mikhail Ryazanov
  1. ↑ Kaufman, A.S. (2009) IQ Testing 101, New York (NY): Springer Publishing, pp. 104−109 ISBN: 978-0-8261-0629-2.

Ceadachadh

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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urram co-roinneadh co-ionnann 		Tha am faidhle seo fo cheadachas Creative Commons Attribution-Share Alike 3.0 Unported.
Faodaidh tu:
  • a cho-roinneadh – lethbhreac a dhèanamh dhen obair, a sgaoileadh is a tar-chur
  • ath-mheasgachadh – an obair atharrachadh
Fo bhuaidh nan cumhaichean a leanas:
  • urram – Feumaidh tu iomradh a thoirt air an ùghdar no an neach aig a bheil cead air, dìreach mar a thoill iad (ach chan ann air dòigh a chuireas an sùilean dhaoine gu bheil iad ag aontachadh riut no ri d’ obair).
  • co-roinneadh co-ionnann – Ma dh’atharraicheas tu no ma leasaicheas tu an obair seo, ’s urrainn an tionndadh ùr fon cheadachas seo no fo cheadachas coltach ris.
This licensing tag was added to this file as part of the GFDL licensing update.
w:en:Creative Commons
urram co-roinneadh co-ionnann
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
Faodaidh tu:
  • a cho-roinneadh – lethbhreac a dhèanamh dhen obair, a sgaoileadh is a tar-chur
  • ath-mheasgachadh – an obair atharrachadh
Fo bhuaidh nan cumhaichean a leanas:
  • urram – Feumaidh tu iomradh a thoirt air an ùghdar no an neach aig a bheil cead air, dìreach mar a thoill iad (ach chan ann air dòigh a chuireas an sùilean dhaoine gu bheil iad ag aontachadh riut no ri d’ obair).
  • co-roinneadh co-ionnann – Ma dh’atharraicheas tu no ma leasaicheas tu an obair seo, ’s urrainn an tionndadh ùr fon cheadachas seo no fo cheadachas coltach ris.
’S urrainn dhut an ceadachas as fhearr leat a thaghadh.

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làithreach23:11, 26 dhen t-Samhain 2020Dealbhag airson an tionndaidh on 23:11, 26 dhen t-Samhain 2020600 × 480 (9 KB)ParanajaReverted to version as of 21:27, 2 November 2012 (UTC)
21:27, 2 dhen t-Samhain 2012Dealbhag airson an tionndaidh on 21:27, 2 dhen t-Samhain 2012600 × 480 (9 KB)Mikhail RyazanovIQ values are now integers; gnuplot-only approach
09:20, 6 dhen Dùbhlachd 2006Dealbhag airson an tionndaidh on 09:20, 6 dhen Dùbhlachd 2006600 × 480 (12 KB)Alejo2083 {{Information |Description= The IQ test is made so that most of the people will score 100 and the distribution will have the shape of a Gaussian function, with a standard deviation of 15. The plot shows the percentage of people getting a score versus the

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