Exhibit 13-9
in a Regression Analysis Involving 25 Observations, the Following

question 128

Multiple Choice

Exhibit 13-9
In a regression analysis involving 25 observations, the following estimated regression equation was developed. Also, the following standard errors and the sum of squares were obtained.
-Refer to Exhibit 13-9. If you want to determine whether or not the coefficients of the independent variables are significant, the critical value of t statistic at $\alpha$ = 0.05 is

• A)2.080
• B)2.060
• C)2.064
• D)1.96

---

Definitions:

Autonomic Nervous System

The part of the peripheral nervous system that controls involuntary bodily functions, including heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.

Somatic Nervous System

A part of the peripheral nervous system associated with voluntary control of body movements via skeletal muscles.

Midbrain

A central part of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.

Hippocampus

A critical structure within the brain's limbic system involved in memory formation and spatial navigation.