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Multiple Choice Quiz
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1
A process is a sequence of operations that produces output over time.
A)True
B)False
2
Any characteristic of a population unit is called a(n)
A)measurement.
B)sample.
C)observation.
D)variable.
3
An example of a qualitative variable is the mileage of a car.
A)True
B)False
4
A subset of the elements of a population is a
A)census.
B)frame.
C)sample.
D)variable.
5
Which of the following is a quantitative variable?
A)The make of a TV
B)A person's gender
C)The mileage of a car
D)Whether a person is a college graduate
E)Whether a person has a charge account
6
Measurements from a population are called
A)statistics.
B)observations.
C)variables.
D)inferences.
7
The two types of quantitative variables are
A)ordinal and ratio.
B)interval and ordinal.
C)nominative and ordinal.
D)interval and ratio.
E)nominative and interval.
8
_________ data are from an existing source.
A)Primary
B)Quantitative
C)Secondary
D)Observational
9
_________________ is the science of using a sample to make generalizations about the important aspects of a population.
A)Statistical Process Control
B)Descriptive Statistics
C)Random Sample
D)Statistical Inference
10
When analysts are unable to control the factors of interest, the study is __________.
A)observational
B)experimental
C)a random sample
D)cross-sectional
E)time series
11
A person's telephone area code is an example of a(n) _______________ variable.
A)nominative
B)ordinal
C)interval
D)ratio
12
____________ are collected at the same or approximately the same point in time.
A)Time series data
B)Cross-sectional data
C)Categorical data
D)Quantitative data
13
A runs plot is a graphical technique for displaying data collected over different time periods.
A)True
B)False
14
When initiating a study, the first thing that is defined is the response variable.
A)True
B)False
15
Time series data are collected at the same or approximately the same point in time.
A)True
B)False





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