QUESTION TEXT: Most of the students who took Spanish 101 at…
QUESTION TYPE: Must be True
- Most Spanish 101 students attended every class.
- Every student who scored lower than B-minus missed at least one class.
ANALYSIS: This is a mathematical question, and it tests how intuitively you understand the word “most”. Let’s say there were 9 students. “Most” of them would be five or more.
All the students who scored below B-minus missed at least one class. What’s the largest number that could have done this? Four. That’s because at least five students (“most”) did attend every class.
This lets us conclude that at least five students scored b-minus or above. So “most” students scored b-minus and above.
Note the subtle differences in wording. It’s easy to misread this question as saying that every student who scored b-minus or below missed a class. But the question doesn’t say that….instead, it says every student who scored below b-minus missed class.
- We don’t know anything about students who scored A-minus or higher. Maybe only one student did that? (And the “most students” who attended classes all scored a B-plus)
- This doesn’t have to be true. It could be that only one student scored below b-minus, and 1,000 other students scored b-minus or above.
- This is very tempting, and similar to E. Notice that the stimulus says every student who received a grade below a b-minus missed a class.
That doesn’t include students who scored exactly a b-minus. So this answer should have said “scored b-minus or higher”.
- This doesn’t have to be true. Maybe all students who got b-minus or above attended every class. “most” can go as high as “all”.
- CORRECT. See the analysis for a full explanation. If most students attended all classes, then “most” students must have scored b-minus or above. Because no student who scored below b-minus had perfect attendance.
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