Refresher on variation

1. Welcome!
The Topic For Today Is…

2. Variation Control
Charts
Process Tools Potpourri More SPC
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Final Jeopardy: 3000 pts

3.  Answer:
 This type of variation is sporadic and not
predictable
 Question
 What are special causes of variation?

4.  Answer:
 Prevention and detection
 Question
 What are the two modes of operation?

5.  Answer:
 The red beads represent this type of variation
 Question
 What are common causes of variation?

6.  Answer:
 The tool is the only thing that can separate
common and special causes of variation
 Question
 What are control charts?

7.  Answer:
 You must trace variation back to this to reduce
variation
 Question
 What is the source of variation?

8.  Answer:
 The largest value you would expect due to
common causes of variation on a control chart
 Question
 What is the upper control limit?

9.  Answer:
 The minimum number of points you need to
start a control chart (at least according to Bill)
 Question
 What is five or six?

10.  Answer:
 You use this type of control chart when you
have frequent data and a way of rationally
subgrouping the data
 Question
 What is the Xbar-R (or Xbar-s) control chart?

11.  Answer:
 You use this type of control chart with yes/no
data
 Question
 What is the p control chart

12.  Answer:
 This type of control chart is used to monitor
laboratory test methods
 Question
 What is the X-mR (individuals control chart)

13.  Answer:
 This process tools separates the vital few or the
trivial many
 Question
 What is a Pareto diagram?

14.  Answer:
 This tool was developed by Kaoru Ishikawa
 Question
 What is the cause and effect (or fishbone)
diagram?

15.  Answer:
 This tool shows if you have redundant steps in
the process
 Question
 What is a process flow diagram?

16.  Answer:
 This tools tells you if there is a linear
relationship between two variables
 Question
 What is a scatter diagram?

17.  Answer:
 A histogram tells you these four things.
 Question
 What are the mode, the range of variation, the
shape of the variation and the relationship to
specifications?

18.  Answer:
 This measure tells you how well your process
meets specifications
 Question
 What is process capability?

19.  Answer:
 These two criteria must be met for data to be
considered counting-type attribute data
 Question
 What are there is a large opportunity for
defects to occur, but the actual number that
occur is small

20.  Answer:
 These six major categories are often used on
fishbone diagrams.
 Question
 What are machines, methods, measurement,
material, people, and environment?

21.  Answer:
 This tools has these three components: a
written statement, a test, and a decision.
 Question
 What is an operational definition?

22.  Answer:
 The absoluteness correctness of a
measurement.
 Question
 What is accuracy?

23.  Answer:
 Using data to make processes do what we want
them to.
 Question
 What is statistical process control?

24.  Answer:
 The minimum of Cpu and Cpl
 Question
 What is Cpk?

25.  Answer:
 When x increases, y decreases
 Question
 What is negative correlation on a scatter
diagram?

26.  Answer:
 You have this type of data when the range
between values becomes too large or you have
too few possible values on a range chart.
 Question
 What is chunky data?

27.  Answer:
 The quality guru who helped Japan following
WWII
 Question
 Who is Dr. W. Edwards Deming?

28.  Answer:
 The calculated value of the standard deviation
is used to determine this measure of process
capability
 Question
 …
 What is Ppk?

29. You may bet as many points as you
have or up to 1000 points if you have
less than 1000 points

30. You may bet as many points as you
have or up to 1000 points if you have
less than 1000 points