The side-by-side boxplots show the cumulative college GPAs for sophomores, juniors, and Seniors taking an intro stats course in Autumn 2003. 
Which class has the highest median GPA?
Definitions:
Framing Effect
The influence on decision making caused by the way information is presented, rather than the actual information itself.
Base-Rate Error
A cognitive bias where people misjudge the likelihood of an event by ignoring general prevalence.
Availability Heuristic
An intuitive thinking process that leverages readily available examples to evaluate a specific topic, concept, approach, or decision.
Functional Fixedness
A cognitive bias that limits a person to using an object only in the way it is traditionally used, hindering problem-solving.
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