Which single Cause should be addressed as the highest priority? CauseNumber ofDefectsNumber ofDefects CumulativePercent $(\%)$Percent $(\%)$ CumulativePoor Design$808064\mathrm{.}064\mathrm{.}0$Wrong Part Dimensions$169612\mathrm{.}876\mathrm{.}8$Defective Parts$121089\mathrm{.}686\mathrm{.}4$Incorrect Machine Calibration$71155\mathrm{.}692\mathrm{.}0$Operator Errors$41193\mathrm{.}295\mathrm{.}2$Surface Abrasions$31222\mathrm{.}497\mathrm{.}6$Defective Material$31252\mathrm{.}4100\mathrm{.}0$