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Averages/Arithmetic mean: Difference between revisions
added Common Lisp example
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=={{header|Common Lisp}}==
This example uses a recursive sum-list function.
(defun sum-list (list)
(if (list)
(+ (car list) (sum-list (cdr list)))
0))
(defun mean (list)
(/ (sum-list list) (length list)))
=={{header|J}}==
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