Other Things Remaining the Same, and Assuming Thatis Smaller Than

Multiple Choice

Other things remaining the same, and assuming thatis smaller than USL and larger than LSL, if the standard deviation (σ) of the process decreases, process capability index (Cpk) of the process will
I. Stay the same
II. Will always increase
III. Will always decrease
IV. Will sometimes increase

A) I
B) II
C) III
D) Either II or III
E) IV