TABLE 4-2
an Alcohol Awareness Task Force at a Big-Ten

question 144

Multiple Choice

TABLE 4-2
An alcohol awareness task force at a Big-Ten university sampled 200 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following result was obtained.

$\begin{array}{l|cc} & \text {Did Well on Midterm} & \text {Did Poorly on Midterm} \\\hline\text {Studying for Exam }& 80 & 20 \\\text {Went Bar Hopping} & 30 & 70\end{array}$

-Referring to Table 4-2, the events "Did Well on Midterm" and "Did Poorly on Midterm" are

• A) collective exhaustive.
• B) statistically dependent.
• C) mutually exclusive.
• D) all of the above

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Definitions:

Brain Stem

The posterior part of the brain, adjoined to the spinal cord, that controls basic life functions such as heartbeat, breathing, and blood pressure.

Cerebellum

A part of the brain located at the back of the skull that is responsible for coordinating voluntary movements and maintaining balance and posture.

Frontal Lobe

The part of the brain located at the front of each cerebral hemisphere, responsible for voluntary movement, expressive language, and managing higher-level executive functions.

Hippocampus

The Hippocampus is a major component of the brain, important in the consolidation of information from short-term to long-term memory and in spatial memory that enables navigation.