Welcome!The Topic For Today Is…
Variation Control Charts
Process Tools
Potpourri More SPC
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1000 1000 1000 1000 1000
Final Jeopardy: 3000 pts
Answer: This type of variation is sporadic and not
predictable Question What are special causes of variation?
Answer: Prevention and detection Question What are the two modes of operation?
Answer: The red beads represent this type of
variation Question What are common causes of variation?
Answer: The tool is the only thing that can
separate common and special causes of variation
Question What are control charts?
Answer: You must trace variation back to this to
reduce variation Question What is the source of variation?
Answer: The largest value you would expect due
to common causes of variation on a control chart
Question What is the upper control limit?
Answer: The minimum number of points you need
to start a control chart (at least according to Bill)
Question What is five or six?
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?
Answer: You use this type of control chart with
yes/no data Question What is the p control chart
Answer: This type of control chart is used to
monitor laboratory test methods Question What is the X-mR (individuals control
chart)
Answer: This process tools separates the vital few
or the trivial many Question What is a Pareto diagram?
Answer: This tool was developed by Kaoru
Ishikawa Question What is the cause and effect (or fishbone)
diagram?
Answer: This tool shows if you have redundant
steps in the process Question What is a process flow diagram?
Answer: This tools tells you if there is a linear
relationship between two variables Question What is a scatter diagram?
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?
Answer: This measure tells you how well your
process meets specifications Question What is process capability?
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
Answer: These six major categories are often used
on fishbone diagrams. Question What are machines, methods,
measurement, material, people, and environment?
Answer: This tools has these three components: a
written statement, a test, and a decision. Question What is an operational definition?
Answer: The absoluteness correctness of a
measurement. Question What is accuracy?
Answer: Using data to make processes do what
we want them to. Question What is statistical process control?
Answer: The minimum of Cpu and Cpl Question What is Cpk?
Answer: When x increases, y decreases Question What is negative correlation on a scatter
diagram?
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?
Answer: The quality guru who helped Japan
following WWII Question Who is Dr. W. Edwards Deming?
Answer: The calculated value of the standard
deviation is used to determine this measure of process capability
Question … What is Ppk?
You may bet as many points as you have or up to 1000 points if you have less than 1000 points
You may bet as many points as you have or up to 1000 points if you have less than 1000 points