Design and Analysis of Experiments (DAE) - MCQ
Multiple Choice Questions
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Design and Analysis of Experiments (DAE) - Multiple Choice Questions (MCQ) - Set 7
31. What is the difference between A-B-A design and A-B-A-B design?A). Both designs end on the treatment condition
B). Neither design ends on a treatment condition
C). Baseline conditions are only established in the A-B-A-B design
D). A-B-A-B allows the reintroduction of the treatment condition during the last phase
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Correct: D
32. Which of the following is not a phase in the A-B-A design?
A). Baseline measurement
B). Introduction of treatment
C). Introduction of a second treatment
D). Removal of treatment
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33. To determine whether the test statistic of ANOVA is statistically significant, it can be compared to a critical value. What two pieces of information are needed to determine the critical value?
A). sample size, number of groups
B). mean, sample standard deviation
C). expected frequency, obtained frequency
D). MSTR, MSE
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34. Which of the following is an assumption of one-way ANOVA comparing samples from three or more experimental treatments?
A). All the response variables within the k populations follow a normal distributions.
B). The samples associated with each population are randomly selected and are independent from all other samples.
C). The response variable within each of the k populations have equal variances.
D). All of the above.
Correct: C
33. To determine whether the test statistic of ANOVA is statistically significant, it can be compared to a critical value. What two pieces of information are needed to determine the critical value?
A). sample size, number of groups
B). mean, sample standard deviation
C). expected frequency, obtained frequency
D). MSTR, MSE
View Answer
Correct: A
34. Which of the following is an assumption of one-way ANOVA comparing samples from three or more experimental treatments?
A). All the response variables within the k populations follow a normal distributions.
B). The samples associated with each population are randomly selected and are independent from all other samples.
C). The response variable within each of the k populations have equal variances.
D). All of the above.
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35. The designed experiments are the part of ___________ step of DMAIC process.
A). Define
B). Measure
C). Analyze
D). Control
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Correct: D
35. The designed experiments are the part of ___________ step of DMAIC process.
A). Define
B). Measure
C). Analyze
D). Control
View Answer
Correct: C