A Linear Regression Model Is Developed That Has a Slope

question 49

Multiple Choice

A linear regression model is developed that has a slope of -2.5 and an intercept of 10.The sample coefficient of determination is 0.50.Which of the following statements is TRUE?

• A)The sample correlation coefficient must be 0.250.
• B)The sample correlation coefficient must be -0.707.
• C)The sample correlation coefficient must be -0.250.
• D)The sample correlation coefficient must be 1.00.

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Definitions:

Behavioral Economics

A field of economic research that studies the effects of psychological, cognitive, emotional, cultural, and social factors on the economic decisions of individuals and institutions.

Policymakers

Individuals or groups responsible for making decisions and laws that govern a society, often within governmental institutions.

Neuroscience

The scientific study of the nervous system, including its structure, functions, and abnormalities.

Behavioral Economists

Behavioral economists study how psychological, emotional, and cultural factors affect economic decisions of individuals and institutions.