Business process improvement - Statistical process control (1)

Pioneer Chicken advertises light chicken with low calories. The process average distribution for light chicken breasts is 420 calories, with a standard deviation of 25 calories. The product design calls for the average chicken breast to contain 400 calories with tolerance -/+ 80 calories.

In order to conclude whether the process is capable of 2-sigma level of performance, what measure needs to be calculated? What is the value of that measure?

(Note: Choose the closest answer.)

Multiple Choice

• Cpk = 0.67

• Cp = 1.07

• Cp = 1.33

• Cpk = 0.80