#	ATT:#ident	"graf:src/whatis.d/var.w	1.3"
#ident	"%Z%graf/src/whatis.d:%M%	%I%"






var [_v_e_c_t_o_r(s)]; variance

Output is the variance of the elements in the input
_v_e_c_t_o_r(_s).  If no _v_e_c_t_o_r is given, the standard input is
assumed.

Example:   var A
outputs the variance of the elements in A.
