A Dummy Variable Is Used as an Independent Variable in a Regression

question 3

Multiple Choice

A dummy variable is used as an independent variable in a regression model when:

• A)the variable involved is interval.
• B)the variable involved is nominal.
• C)a curvilinear relationship is suspected.
• D)two independent variables interact.

---

Definitions:

Natural Disaster

A major adverse event resulting from natural processes of the Earth, such as earthquakes, hurricanes, or floods.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, responsible for the fight-or-flight response in mammals.

Norepinephrine

is a neurotransmitter and hormone important in the body's response to stress and regulation of mood, attention, and arousal.

Acetylcholine

A neurotransmitter involved in many functions including muscle movement and memory formation.