Milestone Four: The Measure Phase In 5-3, you will set values and calculate them for the process. You should set the following values process target (r), upper specification (U), and lower specification ((). Then take appropriate samples to estimate the process mean (u) and the process standard deviation (o). Calculate the following for your process: Defectives per Million Opportunities (DPMO) Yield Process capability ratio [Cp) Process capability index (Cok)