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Multiple Choice and True/False Quiz
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1.
Any characteristic of a population unit is called a
A)measurement.
B)sample.
C)observation.
D)variable.
2.
A list of all of the units in a population is called a
A)census.
B)frame.
C)sample.
D)variable.
3.
When we are choosing a random sample and we do not place chosen units back into the population, we are
A)sampling with replacement.
B)sampling without replacement.
C)using a Systematic Sample.
D)using a Voluntary Response Sample.
4.
Which of the following is a quantitative variable?
A)The make of a TV
B)A person's gender
C)Mileage of a car
D)Whether a person is a college graduate
E)Whether a person has a charge account
5.
Measurements from a population are called
A)statistics.
B)observations.
C)variables.
D)inferences.
6.
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.
7.
Temperature in degrees Fahrenheit is an example of a _________________ variable.
A)nominative
B)ordinal
C)interval
D)ration
8.
_________________ 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
9.
__________ occurs when some population units are excluded from the process of selecting the sample.
A)Undercoverage.
B)Nonresponse
C)Random sampling
D)Multistage cluster sampling
E)Stratified Sampling
10.
A person's telephone area code is an example of a(n) _______________ variable.
A)nominative
B)ordinal
C)interval
D)ratio
11.
A random sample is selected so that on each selection from the population, every unit remaining in the population has an equal chance of being chosen.
A)True
B)False
12.
An example of a qualitative variable is the mileage of a car.
A)True
B)False
13.
By taking a systematic sample, in which we select every 100th shopper arriving at a specific store, we are approximating a random sample of shoppers.
A)True
B)False





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