If Computing a Causal Linear Regression Model of Y =

question 19

Multiple Choice

If computing a causal linear regression model of Y = a + bX and the resultant r² is very near zero,then one would be able to conclude that

• A)Y = a + bX is a good forecasting method.
• B)Y = a + bX is not a good forecasting method.
• C)a multiple linear regression model is a good forecasting method for the data.
• D)a multiple linear regression model is not a good forecasting method for the data.
• E)None of the above

---

Definitions:

Norepinephrine

A neurotransmitter and hormone associated with the body's fight-or-flight response, playing roles in attention, emotions, sleeping, dreaming, and learning.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; it plays a key role in the fight-or-flight response.

Social Withdrawal

The act of removing oneself from social interactions and activities, often due to feelings of depression, anxiety, or disinterest.

Increased Empathy

A heightened ability to understand and share the feelings of another.