A Basic Principle of Probability Sampling Is That a Sample

question 27

Multiple Choice

A basic principle of probability sampling is that a sample will be representative of the population from which it is drawn if:

• A) all members of the population have an equal chance of being selected for the sample
• B) the researcher uses a method of selection based upon convenience
• C) every "nth" person is selected for the sample
• D) all are principles of probability sampling

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Definitions:

Chemical Hazard Control

The methods and practices involved in reducing or eliminating exposure to harmful chemical substances in the environment or workplaces.

Government Intervention

The involvement by the government in the economy, with actions that can include regulations, subsidies, tariffs, and direct provision of goods and services.

Externalities

Costs or benefits arising from an economic activity that affect other parties who did not choose to incur that cost or benefit.

Prices

The amount of money required to purchase goods or services, serving as the consideration for the value of the goods or services being exchanged.