某轴承轴径的规范限为6.8±0.1mm,其在统计控制状态下服从N(6.75,0.022),则下列说法中,正确的有()。
A.Cp = 1. 0 B.Cp = 1. 67 C.CpK = 1. 67 D.CpK = 0. 83 E.CPK=0. 5正确答案BD
某轴承轴径的规范限为6.8±0.1mm,其在统计控制状态下服从N(6.75,0.022),则下列说法中,正确的有()。
A.Cp = 1. 0 B.Cp = 1. 67 C.CpK = 1. 67 D.CpK = 0. 83 E.CPK=0. 5正确答案BD