The Mean Grade of the 30 Students in Section 1

question 111

Multiple Choice

The mean grade of the 30 students in Section 1 is 80. The mean grade of the 40 students in Section 2 is 85. The mean grade of the 30 students in Section 3 is 80. What is the mean grade of all students from the three sections combined?

• A) 80.00
• B) 81.67
• C) 82.00
• D) 85.00

---

Definitions:

Aggressive Behavior

Actions or responses aimed at causing harm or exerting dominance over others, often manifesting physically or verbally.

Psychological Societies

Organizations or groups comprised of psychologists and professionals interested in the study of the mind and behavior for the advancement of psychological knowledge and practice.

Learned Taste Aversion

The phenomenon where an individual learns to avoid a food or taste after a negative experience, such as illness, associated with it.

Physical Stimulus

An external factor that can elicit a physical response from an organism, often through sensory organs.