If an Economist Wishes to Determine Whether There Is Evidence

question 20

Multiple Choice

If an economist wishes to determine whether there is evidence that mean family income in a community exceeds $50,000

• A)either a one-tail or two-tail test could be used with equivalent results.
• B)a one-tail test should be utilized.
• C)a two-tail test should be utilized.
• D)None of the above.

---

Definitions:

Cartel

An agreement among competing firms to control prices or exclude entry of a new competitor in a market, often leading to market inefficiencies and lack of competition.

Price Effect

The effect of a price change of a product or service on its supply or demand.

Oligopolist

A firm in an industry with only a small number of producers.

Monopolist

A single seller in a market who has significant control over the supply of a particular good or service, often leading to less competition and higher prices.