An Environmental Group Wants to Use a Survey to Determine

question 52

Multiple Choice

An environmental group wants to use a survey to determine the extent to which its members would be willing to protest a recent decision of the governor of a particular state. Which of the following procedures would be most appropriate for obtaining a statistically unbiased sample? ​

• A) Survey a selection of people whose names are randomly chosen from the telephone directory.
• B) Have sign-ups for workers to gather signatures at local malls throughout the state.
• C) Survey members attending the annual convention of the environmental group.
• D) Survey a selection of people whose names are randomly chosen from a list of members of the environmental group.

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Definitions:

Weekly Income

The total amount of money earned or received by an individual or household within a week.

Doughnuts

A type of fried dough confection or dessert food, commonly shaped in rings or flattened spheres that sometimes contain fillings.

Coffee

A beverage made from the roasted and ground beans of the Coffea plant, consumed worldwide for its stimulating effects.

Income Effect

A phenomenon where changes in an individual's income lead to changes in the quantity demanded of a good or service.