Webster Chemical's nominal weight for filling tubes of caulk is 8.00 ounces plus/minus 0.60 ounces. The target process capability ratio (Cpk) is 1.33. The current distribution of the filling process is centered on 8.054 ounces with a standard deviation of 0.192 ounces.
To see if the process is capable based on the target, compute the process capability ratio (Cpk).