Question

what is the standard deviation of 623658?

Answer 1

you might want to provide more context, or a better description of what it is you are talking about

Answer 2

is that a number? or a set of numbers that have no commas? or what?

Answer 3

its a set of numbers with no commas

Answer 4

lol, commas would be nice

Answer 5

find the mean

subtract the mean from each datapoint

square the results

divide by how many elements there are

then take the sqrt

Answer 6

\[V(x)=E(x-\mu)^2\]
\[V(x)=E(x^2-2\mu x+\mu^2)\]
\[V(x)=E(x^2)-2\mu ~E(x)+\mu^2,~but~ E(x)=\mu\]
\[V(x)=E(x^2)-2\mu^2+\mu^2\]
\[V(x)=E(x^2)-\mu^2\]