Pollsters Use Random Digit Dialing to Gather National Samples for Surveys

question 4

Multiple Choice

Pollsters use random digit dialing to gather national samples for surveys because

• A)sampling errors are typically too low when other techniques are used.
• B)sampling errors are typically too high when other techniques are used.
• C)there is not a complete list of all Americans that can be used to identify the population.
• D)it is the only method that generates high levels of measurement error.

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Definitions:

Indifference Map

A set of indifference curves, each representing a different level of utility, that together show the preferences of a consumer.

Budget Constraint

outlines the combination of goods and services that a consumer can purchase given their income and the prices of those goods and services.

Demand Curve

A graphic representation showing the relationship between the price of a good or service and the quantity demanded by consumers for a given period.