Stat 513/IE 530



Stat 513/IE 530

Exam I Spring 2004

______________________

name

1. The purpose of control charts is to make sure the operator reacts to

______________________ and does not react to ____________________.

2. If the R chart is not in control, how will this affect your estimate of common

cause variation?

3. Name one advantage and one disadvantage of AMA charts.

a)

b)

4. If your R chart is in control, name three things to look for in our X bar chart

which may indicate your process is out of control.

a)

b)

c)

5. Under what conditions is Cpk greater than Cp?

6. What are the three components of quality costs?

a)

b)

c)

7. In Six Sigma, there is a way that they rate companies, i.e. 2 sigma, 3 sigma etc.

What is it?

8. In forming rational subgroups, under what conditions should I form my

subgroups?

9. In the film, when Blackie’s supplier suggested that Blackie agree to an acceptable

Quality limit of 5% defectives, What was Blackie’s reply?

10. In the attached control charts, what is the source of the white noise?

Which control limits does it affect and how?

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