Averages/Arithmetic mean: Difference between revisions
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| numbers | |
| numbers | |
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numbers := #(1, 2, 3, 4, 5, 6, 7, 8). |
numbers := #(1, 2, 3, 4, 5, 6, 7, 8). |
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^(numbers inject: 0 into: [:sum :aNumber | sum + aNumber]) / numbers size |
^numbers isEmpty ifTrue:[0] ifFalse: [(numbers inject: 0 into: [:sum :aNumber | sum + aNumber]) / numbers size] |
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</lang> |
</lang> |
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