西格玛与 PPM 换算表合格率(%)PPM西格玛合格率(%)PPM西格玛6
68933200094
79521003
4559154500
99401003
568944000
96304003
038697000
73227003
878413000
32168003
088092000
78122003
667734000
1288003
5957340500
386200430
85691500199
56543504
4356456501
7030004
135987001
79520504
0255497501
8713004
5505000001
919004
9754502501
946004
874013001
964004
5653543501
977230569
15308500299
9821805
4052659502
9871305
342266002
992805
921908002
997305
131587002
9976723
971303002
9983316
441056002
999105
545845502
999663
32668003西格玛与 CPk 关系SigmaPPM 百分比CPK1
5500,00050%0
50366,80093