Standard deviation

stdev expr1
(stdev expr1 expr2 ...)

Returns the standart deviation of all values of exprNN. If any exprNN is a collection then all values in this collection are included in the standard deviation calculation.

Example:

"a := {3 {2 1}}
print stdev :a
print (stdev 4 :a)
print stdev 5

Output:

0.816496580927726
1.11803398874989
0

See also:

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