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Exam 11: Sampling: Design and

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Question 41

Multiple Choice

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is a selection method where the elements are selected sequentially. It explicitly incorporates prior information about population parameters as well as the costs and probabilities associated with making wrong decisions.

A) Simple random sampling
B) Sampling with replacement
C) Sampling without replacement
D) Bayesian approach

E) All of the above
F) A) and D)

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Question 42

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The criteria for the selection of stratification variables consist of all of the following except .

A) cost
B) order
C) relatedness
D) homogeneity

E) All of the above
F) B) and D)

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Question 43

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When conducting stratified sampling only simple random sampling should be employed in selecting the elements from each stratum.

Stratified sampling differs from quota sampling in that the sample elements are selected probabilistically rather than based on convenience or judgment.

The logic behind proportionate sampling is simple. Strata with larger relative sizes are more influential in determining the population mean, and these strata should also exert a greater influence in deriving the sample estimates.

The number of strata to use is a matter of judgment, but experience suggests the use of no more than eight.

The inferences that link sample characteristics and population parameters are estimation procedures and tests of hypotheses.

The second stage in quota sampling is to develop the control categories, or quotas, of population elements.

Convenience sampling is the least expensive and least time consuming of all sampling techniques.

Which of the following statements is not true about quota sampling?

Systematic sampling is similar to simple random sampling. Which of the statements below about systematic sampling does not relate to the systematic sampling and simple random sampling similarity?

The target population for the department store project was defined as "male or female head of household responsible for most of the shopping at department stores in the U.A.E in 2011." "U.A.E." is what part of the target population definition?

is a probability sampling technique in which the sample is chosen by selecting a random starting point and then picking every ith element in succession from the sampling frame.

When is it meaningful to sample potential respondents who are surfing the Internet?

Every potential nonprobability sample needs to have the same probability of selection.

The online recruited Internet sampling technique can be further classified as convenience or judgment.

The statistical distinction between sampling with replacement and sampling without replacement is important only when the sampling frame is not large compared to the sample size.

The method is equivalent to a lottery system in which names are placed in a container, the container is shaken, and the names of the winners are then drawn out in an unbiased manner.

Sampling efficiency is a concept that reflects a tradeoff between sampling cost and precision.

Consumer research conducted in Mexico and Saudi Arabia used different sampling techniques for the same study. In Mexico, was used by having experts identify neighborhoods where the target respondents lived; homes were then randomly selected for interviews. In Saudi Arabia, employing the snowball procedure was used because there were no lists from which sampling frames could be drawn and social customs prohibited spontaneous personal interviews.