chap18-TIF-SMUME5e - 124 Statistical Applications in...

124 Statistical Applications in Quality and Production Management
CHAPTER 18: STATISTICAL APPLICATIONS IN
QUALITY MANAGEMENT
1. The control chart
a) focuses on the time dimension of a system.
b) captures the natural variability in the system.
c) can be used for categorical, discrete, or continuous variables.
d) All of the above.
ANSWER:
d
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: control chart
2. Variation signaled by individual fluctuations or patterns in the data is called
a) special or assignable causes.
b) common or chance causes.
c) explained variation.
d) the standard deviation.
ANSWER:
a
TYPE: MC DIFFICULTY: Easy
KEYWORDS: special causes of variation
3. Variation due to the inherent variability in a system of operation is called
a) special or assignable causes.
b) common or chance causes.
c) explained variation.
d) the standard deviation.
ANSWER:
b
TYPE: MC DIFFICULTY: Easy
KEYWORDS: common causes of variation
4.
Which of the following is not one of Deming's 14 points?
a) Belief in mass inspection.
b) Create constancy of purpose for improvement of product or service.
c) Adopt and institute leadership.
d) Drive out fear.
ANSWER:
a
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: Deming’s 14 points

Statistical Applications in Quality and Production Management
5.
Which of the following is not one of Deming's 14 points?
a) Create constancy of purpose for improvement of product or service.
b) Award business on the basis of price tag alone.
c) Break down barriers between staff areas.
d) Drive out fear.
ANSWER:
b
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: Deming’s 14 points
6. The principal focus of the control chart is the attempt to separate special or assignable causes of
variation from common causes of variation. What cause of variation can be reduced only by
changing the system?
a) Special or assignable causes
b) Common causes
c) Total causes
d) None of the above
ANSWER:
b
TYPE: MC DIFFICULTY: Easy
KEYWORDS: common causes of variation
7. Once the control limits are set for a control chart, one attempts to
a) discern patterns that might exist in values over time.
b) determine whether any points fall outside the control limits.
c) Both of the above.
d) None of the above.
ANSWER:
c
TYPE: MC DIFFICULTY: Easy
KEYWORDS: control chart
8. Which of the following is not part of the Shewhart-Deming cycle?
a) Plan
b) Do
c) React
d) Act
ANSWER:
c
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: Shewhart-Deming cycle
9. The Shewhart-Deming cycle plays an important role in which of the following Deming’s 14
points for management?
a) Adopt the new philosophy.
b) Break down barriers between staff areas.
c) Create constancy of purpose for improvement of product and services.
d) Eliminate slogans, exhortation, and targets for the workforce.
ANSWER: