ABSTRACT

Mean + 3 = 13 + (3 0.951) = 15.853. But the upper tolerance limit is fifteen minutes, so this work process is not capable. (Somehow, the service must be speeded up, or we can expect late deliveries – sooner or later!)

Activity 3 on page 6

The answer is ‘All of the above’: everyone in the company must take responsibility for quality. Quality is not something that can be added on at the end of the line.