what is the difference between var and magno what is var how does var measure in regression what is var what is van what is var var versus nav why do you need var what is the difference between par and marova what is the difference between var and maro what is var what is var regression what is var mean what are var what is var in math terms what is variance vs. marva what is var is var a manova which regression type is a van what is the difference between var and mar