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 10
46. In the single-factor ANOVA model, the mean of treatment i is the sum of the grand mean and the ith treatment effect. Is the picture below correct?
B). No
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Correct: A
47. As variability due to chance decreases, the value of F will
A). increase
B). stay the same
C). decrease
D). can’t tell from the given information
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48. In a study, subjects are randomly assigned to one of three groups: control, experimental A, or experimental B. After treatment, the mean scores for the three groups are compared. The appropriate statistical test for comparing these means is:
A). The correlation coefficient
B). Chi square
C). The t-test
D). The analysis of variance
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49. Which of these can be used to develop a new process?
A). Design of experiments
B). Acceptance sampling
C). Control charts
D). Histogram
Correct: A
48. In a study, subjects are randomly assigned to one of three groups: control, experimental A, or experimental B. After treatment, the mean scores for the three groups are compared. The appropriate statistical test for comparing these means is:
A). The correlation coefficient
B). Chi square
C). The t-test
D). The analysis of variance
View Answer
Correct: D
49. Which of these can be used to develop a new process?
A). Design of experiments
B). Acceptance sampling
C). Control charts
D). Histogram
View Answer
50.Use of designed experiments does not give _________
A). Improved yield
B). Reduced variability
C). Closer conformance to the nominal
D). Increased development time
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Correct: A
50.Use of designed experiments does not give _________
A). Improved yield
B). Reduced variability
C). Closer conformance to the nominal
D). Increased development time
View Answer
Correct: D