std

Explanation	Consider the data as the entire population and find its standard deviation.
Call format	var s = std ( range )
Return value	Standard deviation of data within range
Arguments	Number range	Array object name
Exception	None
Example of use	`var arr = new Number [20]; for (var n = 0; n <arr.Length; n ++) { arr [n] = int (rand () * 10); print (arr [n], ""); } print (std (arr), "￥ n");`
Related item	stds function