Averages/Arithmetic mean: Difference between revisions

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> (mean (list 3 1 4 1 5 9))
3 5/6
 
=={{header|Smalltalk}}==
<lang smalltalk>
| numbers |
numbers := #(1, 2, 3, 4, 5, 6, 7, 8).
^(numbers inject: 0 into: [:sum :aNumber | sum + aNumber]) / numbers size
</lang>
 
=={{header|Standard ML}}==
Retrieved from "https://rosettacode.org/wiki/Averages/Arithmetic_mean"