The Correlation Coefficient

question 18

Multiple Choice

The correlation coefficient

• A) indicates the amount of spread in the distribution of scores.
• B) is a measure of central tendency.
• C) is a measure of variability.
• D) is a statistic that describes how strongly variables are related to one another.

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Definitions:

Downward-Sloping

A term often used to describe demand curves, indicating that as the price decreases, the quantity demanded increases.

Linear Demand Curve

A graphical representation of the relationship between the price of a good and the quantity demanded, characterized by a consistent negative slope.

Elastic Demand

A demand relationship in which the percentage change in quantity demanded is larger than the percentage change in price in absolute value (a demand elasticity with an absolute value greater than 1).

Long Run

The period in which all factors of production and costs can be fully adjusted, allowing for all inputs and operations to change.