Two Sections of a Class Took the Same Quiz

question 46

Multiple Choice

Two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80,
And Section B had 20 students who had a mean score of 90. Overall, what was the approximate
Mean score for all of the students on the quiz?

• A) 84.3
• B) none of these
• C) 85.0
• D) It cannot be determined.
• E) 85.7

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Definitions:

Autonomic Reactivity

The degree to which the autonomic nervous system responds to stress or emotional stimuli, affecting heart rate, breathing, and other involuntary functions.

Intelligence

The ability to acquire and apply knowledge and skills.

Hindsight Bias

The common tendency to mold one’s interpretation of the past to fit how events actually turned out.

Hereditary Influence

The impact on an individual's traits and characteristics that are passed down from parents to their offspring through genes.