When Subgroups of a Population Are Represented in a Sample

question 156

Multiple Choice

When subgroups of a population are represented in a sample in proportion to their numbers in the population, the sample is known as a

• A)random sample.
• B)stratified random sample.
• C)systematic area sample.
• D)proportional sample.

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Definitions:

Condorcet Paradox

A situation in social choice theory where collective preferences can be cyclic (not transitive) despite the transitive preferences of individual voters.

Majority Rule

A decision-making principle where the preferences or decisions supported by more than half of the participants are adopted.

Transitive Preferences

A condition in decision-making where if an individual prefers option A over option B and prefers option B over option C, then the individual also prefers option A over option C.

Median voter theorem

A theory suggesting that the outcome of a majority rule voting system will represent the preferences of the median voter.