What Does A Cpk Of 3 Mean?
What Does A Cpk Of 3 Mean? What does a Cpk of 3 mean? That would indicate that mean was 3 standard deviations away from the upper limit and the lower limit. What does a Cpk of 2 mean? A value between 1.0 and 1.33 is considered barely capable, and a value greater than 1.33