mean and standard deviation

Question

0

970

2

find the standard deviation and mean of the numbers 5, 7, 2, 4, 9, 3,

Guest Jun 1, 2012

Flexography · Answer 1 · 2012-06-04T05:11:54

I've never encountered the term 'standard deviation', but mean is:

[input](5+7+2+4+9+3)/6[/input]

admin · Answer 2 · 2012-06-04T08:30:28

[input]data=(5, 7, 2, 4, 9, 3); xs=sum(data[x],x=1..6)/6; sqrt( 1/(6-1)* sum( (data[x]-xs)^2 ,x=1..6) )[/input]