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Many students complain about the increasing size of classes taught by

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Many students complain about the increasing size of classes taught by  [#permalink]

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New post 09 Oct 2018, 20:18
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Many students complain about the increasing size of classes taught by more popular university professors. They disregard the fact that, though the number of students at the university has doubled over the past eight years, the faculty-to-student ratio has decreased from 1:17 to 1:14. Clearly, the students are misinformed in their complaint.

Which of the following, if true, casts the most doubt on the conclusion of the argument above?

A. Most of the faculty members at the university are part-time instructors or teaching assistants and not full-time, tenure-track professors.
B. Many of the most popular tenured professors commonly teach courses that have ten times the number of students enrolled in an average course.
C. Some other universities in the state have lower faculty-to-student ratios.
D. The average class size at the university varies from department to department.
E. None of the students who complained is willing to pay increased tuition in order to have smaller classes.

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Re: Many students complain about the increasing size of classes taught by  [#permalink]

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New post 09 Oct 2018, 21:14
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GMATYoda wrote:
Many students complain about the increasing size of classes taught by more popular university professors. They disregard the fact that, though the number of students at the university has doubled over the past eight years, the faculty-to-student ratio has decreased from 1:17 to 1:14. Clearly, the students are misinformed in their complaint.

Which of the following, if true, casts the most doubt on the conclusion of the argument above?

A. Most of the faculty members at the university are part-time instructors or teaching assistants and not full-time, tenure-track professors.(contender)
B. Many of the most popular tenured professors commonly teach courses that have ten times the number of students enrolled in an average course.(contender)
C. Some other universities in the state have lower faculty-to-student ratios.(loser)
D. The average class size at the university varies from department to department.(loser)
E. None of the students who complained is willing to pay increased tuition in order to have smaller classes.
(loser)

Between A & B,I would go with A because students complaint is about the size of increasing no.of classes taught by popular proffesors.A supports that students are not misinformed.

Choice A

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Many students complain about the increasing size of classes taught by  [#permalink]

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New post 10 Oct 2018, 02:32
GMATYoda wrote:
Many students complain about the increasing size of classes taught by more popular university professors. They disregard the fact that, though the number of students at the university has doubled over the past eight years, the faculty-to-student ratio has decreased from 1:17 to 1:14. Clearly, the students are misinformed in their complaint.

Which of the following, if true, casts the most doubt on the conclusion of the argument above?

A. Most of the faculty members at the university are part-time instructors or teaching assistants and not full-time, tenure-track professors.
B. Many of the most popular tenured professors commonly teach courses that have ten times the number of students enrolled in an average course.
C. Some other universities in the state have lower faculty-to-student ratios.
D. The average class size at the university varies from department to department.
E. None of the students who complained is willing to pay increased tuition in order to have smaller classes.


What the author tries to say is "Although the number of students has increased, the uni has tried to increase the number of professors so that the faculty-to-student ratio has decreased."

Let's see whether A or B weakens that conclusion - generally shows that the university's effort has not bought that much impact!

A says something about part-time instructors. However, because we do not know about instructors 8 years ago, we cannot say anything. For example, 8 years ago, 99% of faculty members are part-time, now only 90% > An improvement from the uni --> CANNOT WEAKEN.

B says that there are some courses in which the number of students is too high, leading to the faculty-to-student ratio increase significantly in such course --> WEAKEN
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Re: Many students complain about the increasing size of classes taught by  [#permalink]

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New post 10 Oct 2018, 09:02
sonusaini1 wrote:
GMATYoda wrote:
Many students complain about the increasing size of classes taught by more popular university professors. They disregard the fact that, though the number of students at the university has doubled over the past eight years, the faculty-to-student ratio has decreased from 1:17 to 1:14. Clearly, the students are misinformed in their complaint.

Which of the following, if true, casts the most doubt on the conclusion of the argument above?

A. Most of the faculty members at the university are part-time instructors or teaching assistants and not full-time, tenure-track professors.(contender)
B. Many of the most popular tenured professors commonly teach courses that have ten times the number of students enrolled in an average course.(contender)
C. Some other universities in the state have lower faculty-to-student ratios.(loser)
D. The average class size at the university varies from department to department.(loser)
E. None of the students who complained is willing to pay increased tuition in order to have smaller classes.(loser)


Between A & B,I would go with A because students complaint is about the size of increasing no.of classes taught by popular proffesors.A supports that students are not misinformed.

Choice A

Please correct if I am wrong

Thanks

Sent from my Lenovo K33a42 using GMAT Club Forum mobile app



Option A is incorrect because whether the faculty is part-time or full-time has no bear on the size of the class.

Whereas option B directly attacks the conclusion by saying that size of the most classes is very high even if the faculty to student ratio is 1:14. For example, lets assume that there are 4 faculties and thereby 56 students in the university and that the average class size is 10. Now, if the courses offered by these faculty have an average class size of 40 then the students claim will get strengthened that the size of classes has been increased, even though the faculty-to-student ratio is 1:14. Hence option B is correct.
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Re: Many students complain about the increasing size of classes taught by  [#permalink]

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New post 21 Oct 2018, 03:46
sonusaini1 wrote:
GMATYoda wrote:
Many students complain about the increasing size of classes taught by more popular university professors. They disregard the fact that, though the number of students at the university has doubled over the past eight years, the faculty-to-student ratio has decreased from 1:17 to 1:14. Clearly, the students are misinformed in their complaint.

Which of the following, if true, casts the most doubt on the conclusion of the argument above?

A. Most of the faculty members at the university are part-time instructors or teaching assistants and not full-time, tenure-track professors.(contender)
B. Many of the most popular tenured professors commonly teach courses that have ten times the number of students enrolled in an average course.(contender)
C. Some other universities in the state have lower faculty-to-student ratios.(loser)
D. The average class size at the university varies from department to department.(loser)
E. None of the students who complained is willing to pay increased tuition in order to have smaller classes.
(loser)

Between A & B,I would go with A because students complaint is about the size of increasing no.of classes taught by popular proffesors.A supports that students are not misinformed.

Choice A

Please correct if I am wrong

Thanks

Sent from my Lenovo K33a42 using GMAT Club Forum mobile app



I'll try to explain

Many students complain about the increasing size of classes taught by more popular university professors. They disregard the fact that, though the number of students at the university has doubled over the past eight years, the faculty-to-student ratio has decreased from 1:17 to 1:14. Clearly, the students are misinformed in their complaint.
understamd:
1) Complaint: Increasing size of CLASSES TAUGHT BY MORE POPULAR UNI PROFS
2) aUTHOR: T:S has increased from 1teacher per 17 students to 1 teacher per 14 studs
Conclusion: Complaint bull***

Prethinking : Pay close attention to the argument : the complaint is about classes of MORE POPULAR PROS and the author counters by giving the overall data of the university . He is not speaking specifically about those More Popular Pros. Thats it, there's the gap.
SO even though the OVERALL stud teacher ratio has increased , many teachers might still be useless just wasting time at the univ and cnsequently other teachers have to increase the CLASS SIZE

what we need? : weaken the conclsuion >> by saying complain is founded. we have to find an answerc choice will tell us that the Most Popular Univ Pros are actually teaching a lot of studs.

A. Most of the faculty members at the university are part-time instructors or teaching assistants and not full-time, tenure-track professors.
This could have been great but we do not know if we are talking about the same group of MORE POPULAR PROS. Are the part time, assitants , not full time etc MOre POPULAR? we dont know. SO we cannot make any such assumption and hence this is wrong.

B. Many of the most popular tenured professors commonly teach courses that have ten times the number of students enrolled in an average course.(contender) - This is parallel with what i thot. Talks about the same group ( Though tenured is added but atleast we know they are popular and this makes this choice more closer to the argument that A does)
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Re: Many students complain about the increasing size of classes taught by &nbs [#permalink] 21 Oct 2018, 03:46
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