Averages/Root mean square: Difference between revisions

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=={{header|Emacs Lisp}}==
=={{header|Emacs Lisp}}==
<Lang lisp>(defun rms (nums)
<syntaxhighlight lang="lisp">(defun rms (nums)
(sqrt (/ (apply '+ (mapcar (lambda (x) (* x x)) nums))
(sqrt (/ (apply '+ (mapcar (lambda (x) (* x x)) nums))
(float (length nums)))))
(float (length nums)))))