According to the graph belonging to K09 lower measurement point in Fig. 8, sample average value (405.457mm) is less than LSL = 406.03 mm, but it is better than K09 upper measurement values. Most of the measurement values exceed control limits by shifting down from LSL. The probability of the fact that the measurements are under LSL value is 84.45% respectively. The standard deviation is 2.06 which is the highest value in all measurements. Since the average value is lower than LSL, CPL and Cpk values are negative.