The key to using stratified sampling is
A) identifying the strata.
B) selecting the appropriate strata.
C) defining the strata.
D) randomizing the strata.
Correct Answer:
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Q49: A sample chosen in such a way
Q50: When a portion of the sample does
Q51: Potential sample members,called sampling units,may be
A)people.
B)companies.
C)households.
D)all of
Q52: Which statement is true of proportional sample
Q53: The standard deviation of Q55: Identifiable subpopulations within a population are called Q56: Which of the following are reasons for Q57: The sampling method in which a population Q58: The probability of being chosen in a Q59: The defining property of a simple random
A)clusters.
B)samples.
C)blocks.
D)strata.
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