A visual representation of the Empirical (68-95-99.7) Rule based on the normal distribution.
<a href="//commons.wikimedia.org/wiki/User:%D0%94.%D0%98%D0%BB%D1%8C%D0%B8%D0%BD" title="User:Д.Ильин">Д.Ильин</a>: vectorization, translation
<a href="//commons.wikimedia.org/wiki/File:68%E2%80%9395%E2%80%9399.7-stddev.png" title="File:68–95–99.7-stddev.png">File:68–95–99.7-stddev.png</a> by <a href="//commons.wikimedia.org/w/index.php?title=User:Svjo&amp;action=edit&amp;redlink=1" class="new" title="User:Svjo (page does not exist)">Svjo</a>