You have just used the capability index (Cpk)formulas to compute the two values "min [1,1]." Which of the following is the proper interpretation of these numbers?
A) The true capability index value is exactly 1
B) The mean of the production process has shifted to the left of the design limits
C) The mean of the production process has shifted to the right of the design limits
D) The mean has not shifted at all
E) None of the above

Question

Quizplus · Accepted Answer

Because the process mean can shift in either direction,the direction of shift and its distance from the design specification set the limit on the process capability.The direction of shift is toward the smaller number.

You Have Just Used the Capability Index (Cpk)formulas to Compute