The Lower and Upper Specification Limits for a Component Are

Multiple Choice

The lower and upper specification limits for a component are 4.20 and 4.30 ounces, respectively. The process standard deviation is .02, and the process average is 4.24 ounces. Which one of the following statements is TRUE?

A) The C_p index indicates the process is centered.
B) The C_p index indicates the process is not centered.
C) The C_pk index indicates the process is centered.
D) The C_pk index indicates the process is not centered.