1. Within the context of Statistical Process Control, please explain the differences between (25 points):
   1. Defects and defectives (5 points)

1. Variable data and attribute data control charts (5 points)

1. Common and special causes of variation (5 points)

1. Control limits and specification limits (5 points)

1. In control and out of control processes, i.e. how you know which you are dealing with, what they mean and how they are managed (5 points)

1. Explain:
   1. Taguchi's Quality Loss Function (5 points)

and how this Quality Loss Function relates to:

1. The Cost of Quality framework (5 points).

1. Six Sigma programs (5 points).

1. You are the Quality Director for a hospital, and struggling to control the rate at which your patients are developing Staph Infections. You have decided to use control charts to understand the situation, bring the problem of Staph Infections under control, and monitor the rate of staph infections going forward. Please explain the steps you will take to establish and implement control charts in this situation. (20 points).