Averages/Arithmetic mean: Difference between revisions

=={{header|Fish}}==

<lang Fish>!vl0=?vl1=?vl&!

v< +<>0n; >n;

>l1)?^&,n;</lang>

Must be called with the values pre-populated on the stack, which can be done in the <tt>fish.py</tt> interpreter with the <tt>-v</tt> switch:

<pre>fish.py mean.fish -v 10 100 47 207.4</pre>

which generates:

<pre>91.1</pre>