ߞߐߕߐ߮:IQ curve.svg

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ߟߊߘߛߏߣߍ߲

ߕߐ߯ߟߊߘߏ߲ 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
InfoField
 
The SVG code is valid.
 
This chart was created with Gnuplot.
 
This chart uses translateable embedded text.
Source code
InfoField

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
ߕߎ߬ߡߊ߬ߘߊ
ߛߎ߲ ߟߊ߫ ߓߊ߯ߙߊ ߟߋ߫ ߘߌ߫
ߛߓߍߦߟߊ Alessio Damato, Mikhail Ryazanov
  1. ↑ Kaufman, A.S. (߂߀߀߉) IQ Testing 101, New York (NY): Springer Publishing, pp. 104−109 ISBN: 978-0-8261-0629-2.

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ߘߊ߲ߓߊ

ߡߐ߬ߟߐ߲ ߡߍ߲ ߕߍ߫ Wikidata ߝߌ߬ߛߌ ߝߋ߲߫ ߘߌ߫

author name string ߊ߲߬ߜߑߟߋ߬ߞߊ߲: Alessio Damato
Wikimedia username ߊ߲߬ߜߑߟߋ߬ߞߊ߲: Alejo2083
URL ߊ߲߬ߜߑߟߋ߬ߞߊ߲: http://commons.wikimedia.org/wiki/User:Alejo2083

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߂ ߣߍߣߍߓߊ 2012

ߞߐߕߐ߮ ߟߊ߫ ߘߐ߬ߝߐ

ߕߎ߬ߡߊ߬ߘߊ/ߕߎ߬ߡߊ ߛߐ߲߬ߞߌ߲߬ ߓߊ߫߸ ߞߊ߬ ߕߎ߬ߡߊ߬ߘߊ ߞߐߕߐ߮ ߟߎ߬ ߦߋ߫.

ߕߎ߬ߡߊ߬ߘߊ/ߕߎ߬ߡߊ߬ߟߊ߲ߞߝߊ߬ߟߋ߲ߛߋ߲ߛߎߡߊ߲ߘߐߟߊ߬ߓߊ߰ߙߊ߬ߟߊߞߊ߲߬ߝߐߟߌ
ߞߍߛߊ߲ߞߏ߂߃:߁߁, ߂߆ ߣߍߣߍߓߊ ߂߀߂߀ߡߊ߬ߦߟߍ߬ߡߊ߲߬ߠߌ߲ ߠߊߘߐ߯ߦߊߣߍ߲ ߕߎ߬ߡߊ߬ߘߊ ߣߌ߲߬ ߂߃:߁߁, ߂߆ ߣߍߣߍߓߊ ߂߀߂߀ ߠߊ߫߆߀߀ × ߄߈߀ (߉ KB)ParanajaReverted to version as of 21:27, 2 November 2012 (UTC)
߂߁:߂߇, ߂ ߣߍߣߍߓߊ ߂߀߁߂ߡߊ߬ߦߟߍ߬ߡߊ߲߬ߠߌ߲ ߠߊߘߐ߯ߦߊߣߍ߲ ߕߎ߬ߡߊ߬ߘߊ ߣߌ߲߬ ߂߁:߂߇, ߂ ߣߍߣߍߓߊ ߂߀߁߂ ߠߊ߫߆߀߀ × ߄߈߀ (߉ KB)Mikhail RyazanovIQ values are now integers; gnuplot-only approach
߀߉:߂߀, ߆ ߞߏߟߌ߲ߞߏߟߌ߲ ߂߀߀߆ߡߊ߬ߦߟߍ߬ߡߊ߲߬ߠߌ߲ ߠߊߘߐ߯ߦߊߣߍ߲ ߕߎ߬ߡߊ߬ߘߊ ߣߌ߲߬ ߀߉:߂߀, ߆ ߞߏߟߌ߲ߞߏߟߌ߲ ߂߀߀߆ ߠߊ߫߆߀߀ × ߄߈߀ (߁߂ 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
ߞߐߜߍ߫ ߛߌ߫ ߡߊ߫ ߞߐߕߐ߮ ߣߌ߲߬ ߠߊߓߊ߯ߙߊ߫ ߡߎߣߎ߲߬

ߞߐߕߐ߮ ߟߊߓߊ߯ߙߊߟߌ߫ ߞߙߎߞߙߍ

ߥߞߌ߫ ߕߐ߭ ߢߌ߲߬ ߠߎ߬ ߦߋ߫ ߞߐߕߐ߮ ߣߌ߲߬ ߠߊߓߊ߯ߙߊ߫ ߟߊ߫:

ߞߐߕߐ߮ ߣߌ߲߬ more global usage ߦߋߟߌ.

ߡߋߕߊߘߕߊ߫

ߞߌ߬ߓߊ߬ߙߏ߬ߦߊ߬ߟߌ߬ ߜߘߍ߫ ߟߎ߫ ߦߋ߫ ߞߐߕߐ߮ ߣߌ߲߬ ߘߐ߫߸ ߊ߬ ߟߊߘߏ߲߬ߣߍ߲߬ ߦߋ߫ ߞߍ߫ ߟߊ߫ ߞߍߟߊ߲߫ ߡߍ߲ߛߍ߲ߡߊ ߟߋ߫ ߟߊ߫ ߥߟߊ߫ ߖߌ߬ߦߊ߬ߕߍ߬ߟߊ߲߸ ߞߵߊ߬ ߟߊߓߊ߯ߙߊ߫ ߥߟߊ߫ ߞߵߊ߬ ߡߍ߲ߛߍ߲ߡߊ.

ߣߴߊ߬ ߡߊߦߟߍ߬ߡߊ߲߬ ߣߍ߲߬ ߞߍ߫ ߘߊ߫ ߞߊ߬ ߓߴߊ߬ ߛߎ߲ߞߎ߲ ߡߊ߬߸ ߞߌ߬ߓߊ߬ߙߏ߬ߦߊ ߘߏ߫ ߟߎ߫ ߕߍ߫ ߣߊ߬ ߟߊߞߊ߲߬ߘߏ߬ ߟߊ߫ ߞߐߕߐ߯ ߡߊߦߟߍ߬ߡߊ߲߬ߣߍ߲ ߘߐ߫.

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