If a National Political Pollster Selects Ten States Randomly,then Randomly

question 3

Multiple Choice

If a national political pollster selects ten states randomly,then randomly selects five counties within each state,then randomly selects five voting precincts within these counties,then randomly selects five blocks within these precincts,then randomly selects five households for door-to-door interviews about their voting intentions in the next Presidential election,this is an example of what type of sampling procedure?

• A)simple random sample
• B)multistage area sample
• C)systematic sample
• D)nonprobability sample

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Definitions:

Nonrivalry

A characteristic of certain goods where the consumption by one individual does not reduce availability to others, often seen in digital or public goods.

Nonexcludability

A characteristic of certain goods where it is difficult or impossible to prevent someone from using the good once it has been provided.

Optimal Quantity

The amount of a good or service that yields the maximum benefit or utility to the consumer or producer.

Marginal Cost

The cost of producing one additional unit of a good or service, important in making decisions about production levels and pricing.