Which of the Following Are True with Respect to Representativeness

question 30

Multiple Choice

Which of the following are true with respect to representativeness?

• A) a sample represents a population's if it is exactly the same on all relevant variables
• B) a sample is representative if it approximates the population
• C) a sample needs to be representative of the population on all variables
• D) a representative sample is only obtained when a simple random sample is used

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Definitions:

Paradox of Voting

A situation in which the cost of voting (time, effort) appears to outweigh the individual benefits, making it rational for people not to vote, yet people still vote.

Marginal Cost

The outlay involved in producing an extra unit of a product or service.

Marginal Benefit

The increased pleasure or benefit received from consuming an additional unit of a product or service.

Stadium

A large, often outdoor structure for sports, concerts, or other events, featuring tiers of seats for spectators.