Why Is It Necessary to Study a Sample of Individuals

question 142

Multiple Choice

Why is it necessary to study a sample of individuals that is representative of a larger population?

• A) ​because a sample gives better statistical strength than a population, and this allows a research to "confirm" any hypothesis (s)he has made
• B) ​because there are ethical restrictions against gathering data from a population, but not a sample.
• C) ​because a population will include too many people who would be unwilling to answer questions honestly.
• D) ​because it would be impractical, perhaps even impossible, to attempt to gather data from an entire population of individuals.

Understand and articulate the early film industry's representation of societal changes.

Understand the concept of break-even point and how it is calculated in units and dollars.

Calculate the impact of changes in variable costs, fixed costs, and sales volume on net operating income.

Calculate the effect of changing selling prices and advertising expenses on net operating income.

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Definitions:

Aggregate Supply

The overall quantity of products and services that companies in a country's economy intend to sell over a set duration.

Wealth Effect

The change in consumer spending and economic behavior that results from a change in perceived wealth, often due to asset price fluctuations.

Real Balances Effect

The change in consumption and savings behavior resulting from an alteration in purchasing power due to inflation or deflation.

Financial Assets

Economic resources or ownership rights that are intangible and represent a claim to future payments, such as stocks, bonds, or bank deposits.