A Representative Sample Is

question 209

Multiple Choice

A representative sample is:

• A)a large group of participants containing at least 25 percent of the population of interest.
• B)a group of participants containing males,females,and representatives of all racial and ethnic groups.
• C)a group of participants which contains both volunteers and nonvolunteers.
• D)a group of participants that accurately represents the larger population of interest.

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Definitions:

Cost-Benefit Analysis

A comparison of the marginal costs of a project or program with the marginal benefits to decide whether or not to employ resources in that project or program and to what extent.

Marginal Cost

The additional expense incurred from creating an extra unit of a product, emphasizing how production costs change with the level of output.

Marginal Benefit

The supplementary value or advantage gained by using or generating one more quantity of a good or service.

Marginal Benefits

The additional benefits or advantages gained from an increase in an activity or the consumption of a good or service.