A Correlation of

question 4

Multiple Choice

A correlation of .8 was found between the number of hours spent studying and final exam scores. This means that

• A)students who studied less received higher exam scores.
• B)students who studied less received lower exam scores.
• C)studying caused students to receive higher exam scores.
• D)the amount of studying was unrelated to exam scores.

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Definitions:

Market Power

The ability of a firm or group of firms to influence the price or control the supply of a good or service in a market.

Monopoly Markets

Markets dominated by a single seller, where the monopolist has significant control over the price and supply of a product or service.

Deadweight Losses

Economic inefficiencies that arise when market equilibrium is not achieved, often resulting from monopolies, taxes, subsidies, or price controls, leading to lost welfare for consumers or producers.

X-inefficiency

The difference between efficient behavior of businesses under competitive environments versus the inefficiency that arises in the absence of competition.