Averages/Root mean square: Difference between revisions

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(→‎{{header|Common Lisp}}: Another Common Lisp solution)
m (→‎{{header|Common Lisp}}: Remove excess close-paren)
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for n from 1
summing xx into xx-sum
finally (return (sqrt (/ xx-sum n)))))</lang>
 
Here's a non-iterative solution.