Refer to the graph below.
Based on the graph, which is an accurate conclusion about the relationship between caffeine consumption and exam performance?
A) Caffeine consumption negatively affects exam performance.
B) People perform best on exams when consuming moderate amounts of caffeine.
C) Performance on exams improves continually as caffeine consumption increases.
D) Caffeine consumption and exam performance are unrelated.

Question

Refer to the graph below.
 Based on the graph, which is an accurate conclusion about the relationship between caffeine consumption and exam performance?
A) Caffeine consumption negatively affects exam performance. 
B) People perform best on exams when consuming moderate amounts of caffeine. 
C) Performance on exams improves continually as caffeine consumption increases. 
D) Caffeine consumption and exam performance are unrelated.

Quizplus · Accepted Answer

Based on the graph, it can be observed that exam performance is highest when consuming moderate amounts of caffeine (around 200-300mg). As caffeine consumption increases beyond that point, exam performance tends to decrease. Therefore, option B is the most accurate.

Refer to the Graph Below