This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionPR and NCE.gif
Originally created by User:Jeremykemp. Edited by User:Chris53516 for the purpose of comparing percentile ranks to normal curve equivalents. This graphic is for demonstration purposes only and should not be used to convert percentile ranks to normal curve equivalents or vice versa.
This work has been released into the public domain by its author, Chris53516 at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Chris53516 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
Originally created by [[User:Jeremykemp]] (see [http://en.wikipedia.org/w/index.php?title=Image:Normal_distribution_and_scales.gif&oldid=58616173 Normal distribution and scales.gif]). Edited by [[User:Chris53516]] for the purpose of comparing percentile r
Author: [[User:Jeremykemp]] and edited by [[User:Chris53516]] for the purpose of comparing percentile ranks to normal curve equivalents. Based on [[Image:Normal distribution and scales.gif]]
Captions
Add a one-line explanation of what this file represents