A Basic Principle of Probability Sampling Is That a Sample

question 9

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)if the researcher follows rules.

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Definitions:

Population Growth

The increase in the number of individuals in a population, often measured as a percentage of the total population over a specific time period.

Catch-Up Effect

The hypothesis that poorer economies' per capita incomes will tend to grow at faster rates than richer economies, allowing them to "catch up" over time.

Real GDP Per Person

A measure of the economic output of a country per individual adjusted for inflation, reflecting the average living standards.

Productivity

The measure of output per unit of input, reflecting the efficiency with which factors of production are utilized.