What Is the Purpose of an Indicator Variable in a Regression

question 12

Multiple Choice

What is the purpose of an indicator variable in a regression model?

• A)An indicator variable allows us to increase our R-squared value.
• B)An indicator variable allows us to include quantitative variables in our model.
• C)An indicator variable allows us to fix violations of our constant variance assumption.
• D)An indicator variable allows us to fix violations of our normality assumption.
• E)An indicator variable allows us to include categorical variables in our model.

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Definitions:

Frontal Regions

Areas located at the front part of the brain, responsible for functions such as decision making, problem solving, and controlling behavior and emotions.

Executive Center

A part of the brain, often associated with the prefrontal cortex, responsible for decision-making, planning, and impulse control.

Life Span

The maximum duration of life of a species; in humans, the longest period that individuals of the species can live under optimal conditions.

Mortality

The incidence or risk of death within a population or group.