- mean-sd-n itemsprocedure
returns three values, one for the mean, one for the standard deviation, and one for the length of the list.
> (mean-sd-n '(1 2 3 4)) 5/2 1.29099444873581 4
returns three values, one for the mean, one for the standard deviation, and one for the length of the list.
> (mean-sd-n '(1 2 3 4)) 5/2 1.29099444873581 4