3 ms·"On a scale of 1 to 10" This isn't very scientific approach to serveying.by headShrinker 14y ago"On a scale of 1 to 10" This isn't very scientific approach to serveying.arrrg 14y agoSure is. Though result presentation and interpretation seem abysmal.ralfd 14y agoFrom 7.75 to 7.65 could even be statistical noise.