The Regional Manager of a Drive-Thru Restaurant Is Using Statistical

Multiple Choice

The regional manager of a drive-thru restaurant is using statistical quality control on a new beverage, and first develops an chart to see whether he is achieving the goal of 44 ounces. He calculates his center line using this data and arrives at the value 45.03. "Not ideal," he muses, "but at least the customers won't complain. If I were consistently delivering less than 44 ounces, I'd probably have a lawsuit on my hands. The and R charts both look good, and my calculations indicate a process standard deviation of 3.08. The process engineers have designed our drink process with an upper tolerance of 46 ounces and a lower tolerance of 42 ounces. I wonder what our process capability really is? I've been reading about Six Sigma, it would be fantastic if we could add that to our already fantastic slogan regarding this new beverage!". Calculate the C_pk.

A) 0.10
B) 0.33
C) 1.33
D) 1.00
E) 0.22