// syst error // x y 8.310000 0.004544 15.700000 0.005466 28.799999 0.003663 49.299999 0.003185 78.300003 0.003690 117.099998 0.006723 167.600006 0.003119 234.199997 0.003343 298.600006 0.004248 350.600006 0.005584