file:IQ curve.svg
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Sanchhipt me
| Baare me | 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 | |
| Source code | Gnuplot codeset 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
|
| Taarik | |
| Source | Aapan kaam |
| Likhe waala | Alessio Damato, Mikhail Ryazanov |
- ↑ 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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Ijaajat dewa jaae hae ii document ke copy, distribute aur kare ke,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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File ke itihaas
File ke dekhe khatir, jaise uu time dekhe me lagat rahaa, date/time pe click karo.
| Din/Time | Chhota chapa | Lambai aur chaurai | Sadasya | Tiprrin | |
|---|---|---|---|---|---|
| abhi waala | 23:11, 26 Navambar 2020 | | 600 × 480 (9 KB) | Paranaja | Reverted to version as of 21:27, 2 November 2012 (UTC) |
| 21:27, 2 Navambar 2012 |  | 600 × 480 (9 KB) | Mikhail Ryazanov | IQ values are now integers; gnuplot-only approach | |
| 09:20, 6 Disambar 2006 |  | 600 × 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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