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Exam 4: Data Collection and Sampling Methods

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Question 41

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The nonprobability sampling technique where members are chosen specifically because they are not typical of the population is known as:

A) judgment sampling.
B) quota sampling.
C) convenience sampling.
D) purposive sampling.
E) cluster sampling.

F) A) and B)
G) B) and C)

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Question 42

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Secondary data tends to require more time and expense,but have the advantage of being more applicable to the research problem or situation.

A) True
B) False

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Question 43

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What is survey research?

Which of the following represents an advantage of taking a sample?

A(n)____________________ questionnaire leaves respondents free to formulate their own answers and expand on the subject of the questionnaire.

The convenience sample is an example of probability sampling where every person or element in the population may not have an equal chance for inclusion in the sample.

Consumers Union purchases twenty-five brands of lawnmowers and tests them for various attributes.This is an example of secondary data.

When the sample mean differs from the population mean simply be chance,the error that results is known as:

____________________ helps us become familiar with the problem situation,identify important variables,and use these variables to form hypotheses that can be tested in subsequent research.

How can data mining be useful to a business or other organization? What are some of the analytical tools it employs?

A politician wants to estimate the mean age of registered voters in her district.Unfortunately,she does not have a complete list of households.Describe a sampling plan that would be suitable for her purposes.

What are the three major sources of error in survey research?

At the annual freshman mixer at your university,each student places a card with his/her name in a large basket.A card is drawn for the evening's door prize.This is an example of:

The ____________________ sample involves dividing the population into groups,then randomly selecting some of the groups and taking either a sample or a census of their members.

External validity refers to whether the experimental treatment really made the difference in the measurements obtained.

A manufacturer of semiconductors experiments with different designs and records the data.This is an example of using primary data.

A census is:

What is a simple random sample?

A non-sampling error is also referred to as ____________________,because it is a directional error.

What is the Encyclopedia of Associations,and how can it be useful to the business researcher?