Fayl:IQ curve.svg

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QIRIMTATAR VİKİPEDİYASINIÑ MALÜMATI

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Tasvir 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:
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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
Tarih
Menba Öz işi
Yaratıcı 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.

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w:en:Creative Commons
attribution aynı şekilde paylaşuv
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
Azatsıñız:
  • paylaşuv – qopyaluv, dağıtuv ve iletüv
  • remiks etüv – uyğunlaştıruv
Bu şartlar astında:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • aynı şekilde paylaşuv – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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qurulğan vaqtı

2 noyabr 2012

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Tarih ve saatKiçik resimEn × boyQullanıcıİzaat
şimdiki23:11, 2020 s. noyabrniñ 2623:11, 2020 s. noyabrniñ 26 tarihındaki versiyanıñ ufaqlaştırılğan alı600 × 480 (9 KB)ParanajaReverted to version as of 21:27, 2 November 2012 (UTC)
21:27, 2012 s. noyabrniñ 221:27, 2012 s. noyabrniñ 2 tarihındaki versiyanıñ ufaqlaştırılğan alı600 × 480 (9 KB)Mikhail RyazanovIQ values are now integers; gnuplot-only approach
09:20, 2006 s. dekabrniñ 609:20, 2006 s. dekabrniñ 6 tarihındaki versiyanıñ ufaqlaştırılğan alı600 × 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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Faylda (adetince raqamlı kamera ve skanerlernen qoşulğan) ilâve malümatı bar. Eger bu fayl yaratılğandan soñ deñiştirilse edi, belki de bazı parametrler eskirdi.

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