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Test Bank (Download Now) For Quality Management in the Imaging Sciences 5th Edition by Papp ISBN: 9780323261999

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Test Bank (Download Now) For Quality Management in the Imaging Sciences 5th Edition by Papp ISBN: 9780323261999

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Chapter 2: Quality Management Tools and Procedures
MULTIPLE CHOICE
1. Which of the following is a pictorial representation of a frequency distribution?
a. Pareto chart
b. Fishbone chart
c. Histogram
d. Scatter plot
ANS: C
Rationale: A histogram is a data display tool in the form of a bar graph that often plots the
most frequent occurrence of a quantity in the center.
REF: 23
2. The range of variation around the mean is called
a. variance.
b. standard deviation.
c. percentile.
d. range.
ANS: B
Rationale: The standard deviation is the range of variation or dispersion of a set of values
surrounding the mean.
REF: 21
3. The number of items actually measured from a population is called a
a. sample.
b. data set.
c. frequency.
d. range.
ANS: A
Rationale: A sample is the number of items actually measured from a population.
REF: 20
4. The FDA uses how many classifications of medical devices?
a. One
b. Two
c. Three
d. Four
ANS: C
Rationale: Class I are general controls, class II are special controls, and class III are
pre-market approval.
REF: 30