Which of the following tools should be used when a team is generating and prioritizing a list of options that include highly controversial issues?
(A) Brainstorming
(B) Affinity diagrams
(C) Nominal group technique
(D) 5 whys correct answers (C) Nominal group technique
The primary factor...
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Which of the following tools should be used when a team is generating and prioritizing a list of
options that include highly controversial issues?
(A) Brainstorming
(B) Affinity diagrams
(C) Nominal group technique
(D) 5 whys correct answers (C) Nominal group technique
The primary factor in the successful implementation of six sigma is to have
(A) the necessary resources
(B) the support and leadership of top management
(C) explicit customer requirements
(D) a comprehensive training program correct answers (B) the support and leadership of top
management
Which of the following tools would be most appropriate for collecting data to study the
symptoms of a problem?
(A) Check sheet
(B) Flow diagram
(C) Force-field analysis
(D) Activity network diagram correct answers (A) Check sheet
Positional, cyclical, and temporal variations are most
commonly analyzed in
(A) SPC charts
(B) multi-vari charts
(C) cause and effect diagrams
(D) run charts correct answers *(B) multi-vari charts
The most important aspect of functional requirements is
that they
(A) describe a single, measurable performance
(B) describe how a product or service should operate
(C) be traceable to the voice of the customer
(D) provide upper and lower performance limits correct answers *(C) be traceable to the voice of
the customer
Which of the following control charts is most appropriate
for monitoring the number of defects on different sample
sizes?
(A) u
(B) np
(C) c
(D) p correct answers *(A) u
, Which of the following is most important in evaluating and understanding design intent?
(A) Identifying the functional requirement
(B) Brainstorming failure modes
(C) Conducting computer simulations
(D) Developing FMEA correct answers *(A) Identifying the functional requirement
If a process follows an exponential distribution with a
mean of 25, what is the standard deviation for the
process?
(A) 0.4
(B) 5.0
(C) 12.5
(D) 25.0 correct answers *(D) 25.0
Which of the following activities is value-added?
(A) Setup
(B) Process
(C) Storage
(D) Inspection correct answers (B) Process
A black belt plans to test the performance of workers
before and after training. Which of the following
hypothesis tests should be used to determine whether the
training actually improved the workers' performance?
(A) 2-sample z test
(B) 2-sample t test
(C) Paired t test
(D) F test correct answers *(C) Paired t test
The purpose of using control charts is to
(A) determine if the process is performing within
specifications
(B) evaluate process performance over time
(C) determine how to recreate the process
(D) detect the causes of nonconformities correct answers *(B) evaluate process performance over
time
Data being used in the initial set-up of a process are
assumed to have a normal distribution. If the nominal
(target) is set at the center of the distribution, and the
specification limits are set at ±3σ from the center, then
the Cpk is equal to
(A) -0.25
(B) 1.00
(C) 1.33
(D) 1.67 correct answers *(B) 1.00
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