John Would Like to Conduct a Survey in His Neighborhood

question 43

Multiple Choice

John would like to conduct a survey in his neighborhood to get homeowners' opinion on Delmarva proposal to switch to natural gas. Which of the following is an example of a stratified sample?

• A) John randomly chooses three streets and selects every third house on those streets.
• B) John selects the first 25 homes that he passes as he walks into the entrance of the development.
• C) John selects every third house on each street.
• D) John divides the population into two-story, split-level, and ranch houses. Then, he selects a proportional amount of houses from each group.

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Definitions:

Free Market

An economic system in which prices are determined by unrestricted competition between privately owned businesses.

Final Allocation

The ultimate distribution of goods, services, or resources among different parties or locations.

Corrective Tax

A tax designed to encourage or discourage certain behaviors or activities by including the cost of externalities, aimed at correcting market outcomes to reflect social costs or benefits.

Supply Curve

A graphical representation showing the relationship between the quantity of a good supplied and its price.