ASQ CSSBB 7.A EXAM 2024/2025 WITH 100% ACCURATE
SOLUTIONS
A manufacturing organization specializes in automobile engines
for race cars. In an improvement project, a consultant advised
the organization to check the consistency of engine performance
on turbo speed. A Six Sigma Black Belt is using a design of
experiment technique to observe the engine performance. Which
of the following sequences should the Black Belt adopt to
conduct a randomized, noise-free trial with a minimum of three
replications for two grades of fuel? - Precise Answer ✔✔Choose
factors: determine level of factors, combination of factor levels,
sequence, and number of teams each factor combination should
be repaeated.
From a single factor completely randomized experiment, coded
results were obtained. While performing ANOVA, which of the
following should a Black Belt consider to reject the null
hypothesis at a .05 level of significance? - Precise Answer
✔✔Whether F computed > F .95
A Master Black Belt is analyzing a manufacturing process of an
organization. The Master Black Belt intends to conduct an
experimental design for eight factors with two levels each.
Which of the following should the Master Black Belt select to
proceed with the experiment? - Precise Answer ✔✔There would
, be 256 runs in full factorial design, and a fractional factorial
design should be chosen to save time and cost
A full factorial experiment was conducted, and the following
response plot was generated. 0 - 100 Solid line and Doted line
sloping upward. While analyzing the results, what conclusion
should a Black Belt reach about the interaction of the factors? -
Precise Answer ✔✔The factors are independent. There will not
be an interaction between factors when they are adjusted from
low to high.
Which of the following is directly associated with independent
variables in experimental design? - Precise Answer ✔✔A factor
Why is it desirable to randomize the run order when designing
an experiement? - Precise Answer ✔✔To minimize the effect of
uncontrolled noise factors
Why is it sometimes desirable to include replication in
experimental design? - Precise Answer ✔✔To increase the
precision of the estimates of the effects in an experiment
When a fractional design is used to conduct a DOE,
confounding can occur. What can be done to reduce the impact
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