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mun23
If participation in the honors creative writing class were limited to graduate students and those undergraduate students who had received at least a B+ in composition,most of the undergraduate students would be forced to take the regular creative writing class.Such a reduction in undergraduate enrollment would reduce the percentage of failing grades in the honors class.

Which of the following , if true ,would most strengthen the conclusion drawn in the second sentence above?


(A) Graduate students all scored at least B+ in composition

(B) The honors creative writing course is experiencing overcrowding due to increases in graduate enrollment.

(C) Many undergraduates would work harder to score B+ in composition rather than be excluded from honors creative writing

(D) The number of failing grades in honors creative writing has decreased in recent years.

(E) Undergraduates who scored lower than B+ in composition are responsible for a disproportionate percentage of failing grades in honors creative writing.

KAPLAN OFFICIAL EXPLANATION:



E

The argument here is that eliminating undergraduates who did not receive a B+ or better in composition will reduce the failure rate in the honors class. The assumption must be that undergraduates who did not receive a B+ or better in composition have previously been the ones responsible for the failure rate, and are expected to continue to be responsible if they're allowed in the class. In other words, graduate students and other undergraduates have previously failed less frequently than undergraduates who did not receive a B+ or better in composition. So, to strengthen the conclusion that eliminating the non-B+ students will drive the failure rate down, we need a choice that confirms that the non-B+ students were in fact failing at a proportionally higher rate tharrthe others in the class. This is precisely what (E) does.

(A) seems tempting, but is irrelevant. The passage speaks only of eliminating undergraduates. Graduate students would still be allowed to take the course regardless of their composition grade. Whether or not the honors class is overcrowded in (B) is out of scope; reducing the failure rate, not overcrowding, is the focus of the stimulus. Similarly, (C) tells us nothing about the failure rate in the course. And (D) is wrong because the argument concerns a possible decline in the failure rate after non-B+ students are eliminated, not a decline in the absolute number of failures prior to the elimination of non-B+ students.
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