Quality Progress - December 2017 - 71

quality professional's quality-related
TA B L E 1
activities because they often possess
experience with products and processes they work with. Regardless
of their exact position or role, the
knowledge they have of their product or service is a great advantage.
Process
A quality professional may have a
management and
Measurement
Standards
Statistical methods
improvement
background ranging from being an
Trend and pattern Sampling
Statistical
experienced production employee
Probability
analysis
standards
with a high school diploma to being
Statistical
Data collection
an engineer with a graduate degree.
Hypothesis testing
process control
methods
Although helpful, a degree is not
Design of
Process capability Statistical
always required. A quality profesanalysis
experiments
sional's statistics-related education
Graphical and
Six Sigma
Variation
may come from one or two college
nongraphical tools
courses in basic statistics or an
Data reliability
industrial training program, such as
and validity
Six Sigma training, or training in a
Qualitative
assessment
specific statistical method, such as
statistical process control (SPC) or
Survey analysis
and use
design of experiments.
In contrast, a statistician requires
QBoK = quality body of knowledge
years of formal education, often
culminating with a master's degree in
statistics. A statistician may be able to innoA competent quality professional, in contrast, must live
vate and publish resources on new statistical
applied statistics. A quality professional working in a
methods and innovative applications of existing
manufacturing company may make the wrong decision
methods; a quality professional typically is far
and cause a financial loss if he or she has no knowledge
less capable of such innovation in the field of
of statistics. A quality technician without knowledge
statistics.
of statistics, for example, may sample five parts and
On the other hand, a quality professional must
mistakenly conclude the process will not produce any
be able to understand and analyze a business
defective parts because the samples are in specification.
process. Shifting the mean of a process to
In this example, the quality technician failed to consider
reduce scrap to achieve a financial impact may
the position of the mean, the spread of the values or the
be a quality
sample size.
engineer's
A statistician may be able
main
to innovate and publish
driver, for
Natural crossover
resources on new statistiexample. A
Although separate fields, statisticians may venture into
cal methods and innovative
professional
the world of quality using their knowledge of statistics
applications of exiting methstatistician
to work as a statistical consultant or an organization's
ods; a quality professional is
may be
in-house statistical consultant. Statisticians far removed
typically far less capable of
involved
from the quality world still may serve an unintentional
such innovation in the field of
in applied
role in the field of quality. Somebody must create new
statistics.
statistics.
methods and push the boundaries of old methods

Overlap between statisticians and
quality professionals in ASQ's QBoK

qualityprogress.com ❘ December 2017

QP 71


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Table of Contents for the Digital Edition of Quality Progress - December 2017

Seen and Heard
Progress Report
Mr. Pareto Head
Expert Answers
Career Coach
The Next Rung
Titles and Take-Home
Certification Certainty
Six Sigma Satisfaction
Stay the Course
Maintenance Makeover
Confronting Confusion
Standard Issues
Statistics Spotlight
Marketplace
Footnotes
Try This Today
Quality Progress - December 2017 - intro
Quality Progress - December 2017 - cover1
Quality Progress - December 2017 - cover2
Quality Progress - December 2017 - 1
Quality Progress - December 2017 - 2
Quality Progress - December 2017 - 3
Quality Progress - December 2017 - 4
Quality Progress - December 2017 - 5
Quality Progress - December 2017 - Seen and Heard
Quality Progress - December 2017 - 7
Quality Progress - December 2017 - Progress Report
Quality Progress - December 2017 - 9
Quality Progress - December 2017 - 10
Quality Progress - December 2017 - 11
Quality Progress - December 2017 - 12
Quality Progress - December 2017 - Mr. Pareto Head
Quality Progress - December 2017 - Expert Answers
Quality Progress - December 2017 - 15
Quality Progress - December 2017 - Career Coach
Quality Progress - December 2017 - 17
Quality Progress - December 2017 - 18
Quality Progress - December 2017 - 19
Quality Progress - December 2017 - The Next Rung
Quality Progress - December 2017 - 21
Quality Progress - December 2017 - 22
Quality Progress - December 2017 - 23
Quality Progress - December 2017 - 24
Quality Progress - December 2017 - 25
Quality Progress - December 2017 - 26
Quality Progress - December 2017 - 27
Quality Progress - December 2017 - 28
Quality Progress - December 2017 - 29
Quality Progress - December 2017 - Titles and Take-Home
Quality Progress - December 2017 - 31
Quality Progress - December 2017 - 32
Quality Progress - December 2017 - 33
Quality Progress - December 2017 - 34
Quality Progress - December 2017 - 35
Quality Progress - December 2017 - Certification Certainty
Quality Progress - December 2017 - 37
Quality Progress - December 2017 - 38
Quality Progress - December 2017 - 39
Quality Progress - December 2017 - 40
Quality Progress - December 2017 - 41
Quality Progress - December 2017 - 42
Quality Progress - December 2017 - 43
Quality Progress - December 2017 - Six Sigma Satisfaction
Quality Progress - December 2017 - 45
Quality Progress - December 2017 - 46
Quality Progress - December 2017 - 47
Quality Progress - December 2017 - Stay the Course
Quality Progress - December 2017 - 49
Quality Progress - December 2017 - 50
Quality Progress - December 2017 - 51
Quality Progress - December 2017 - 52
Quality Progress - December 2017 - 53
Quality Progress - December 2017 - Maintenance Makeover
Quality Progress - December 2017 - 55
Quality Progress - December 2017 - 56
Quality Progress - December 2017 - 57
Quality Progress - December 2017 - 58
Quality Progress - December 2017 - 59
Quality Progress - December 2017 - Confronting Confusion
Quality Progress - December 2017 - 61
Quality Progress - December 2017 - 62
Quality Progress - December 2017 - 63
Quality Progress - December 2017 - 64
Quality Progress - December 2017 - 65
Quality Progress - December 2017 - Standard Issues
Quality Progress - December 2017 - 67
Quality Progress - December 2017 - 68
Quality Progress - December 2017 - 69
Quality Progress - December 2017 - Statistics Spotlight
Quality Progress - December 2017 - 71
Quality Progress - December 2017 - 72
Quality Progress - December 2017 - 73
Quality Progress - December 2017 - Marketplace
Quality Progress - December 2017 - 75
Quality Progress - December 2017 - Footnotes
Quality Progress - December 2017 - 77
Quality Progress - December 2017 - 78
Quality Progress - December 2017 - 79
Quality Progress - December 2017 - Try This Today
Quality Progress - December 2017 - cover3
Quality Progress - December 2017 - cover4
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