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File:Topics/BiDi/RTL/thearithmeticmean1
CVS-ID:
Author:Abdelshafi Bekhit, school-book of high school for mathematics, Province Kuwait of Kuwait and the same in Arabic probably.
Description: This example shows the sum of all of the list divided by the number of items in the list and this list is a statistical sample symbolized wiht the Arabic identifier س (SEEN), and enunciated س bar set in an overall RTL context.

See also Online School, and ELearning-Ministry of Education, Egypt and Online math lessons (Bahrain).

Sample Rendering:

$\overline{س}=\frac{٧+١١+٩+٥}{٤}=\frac{٣٢}{٤}=٨$

Source Code:

```

<math display="block" xmlns="http://www.w3.org/1998/Math/MathML" dir="rtl">
<mrow>
<mrow>
<mover>
<mi>&#x0633;</mi>
<mo>&#xaf;</mo>
</mover>
<mo>=</mo>
</mrow>
<mfrac>
<mrow>
<mn>&#x0667;</mn>
<mo>+</mo>
<mn>&#x0661;&#x0661;</mn>
<mo>+</mo>
<mn>&#x0669;</mn>
<mo>+</mo>
<mn>&#x0665;</mn>
</mrow>
<mrow>
<mn>&#x0664;</mn>
</mrow>
</mfrac>
<mo>=</mo>
<mfrac>
<mrow>
<mn>&#x0663;&#x0662;</mn>
</mrow>
<mrow>
<mn>&#x0664;</mn>
</mrow>
</mfrac>
<mo>=</mo>
<mn>&#x0668;</mn>
</mrow>
[/itex]

```