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IMO answer is C.
[C] must be the assumption, if you negate it : "Most of those persons who left teaching did NOT do so because of the low salaries teachers earn". then the conclusion : "These figures indicate how underpaid teachers are today" falls apart.
if the salaries wasn't a problem, why would the teachers leave the profession? (in the context of this argument)

[D] & [E] are out of scope-- "dedicated" & "capable" are problematic.
[B] is wrong - they have to be comparable for the author to make this conclusion - this is actually weakening the argument/conclusion/
[A] nothing can be said or assumed about "one-third of the people.."

Hope this helps, and please correct me if I'm wrong.
Thank you!
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Rishabh121
IMO answer is C.
[C] must be the assumption, if you negate it : "Most of those persons who left teaching did NOT do so because of the low salaries teachers earn". then the conclusion : "These figures indicate how underpaid teachers are today" falls apart.
if the salaries wasn't a problem, why would the teachers leave the profession? (in the context of this argument)

[D] & [E] are out of scope-- "dedicated" & "capable" are problematic.
is wrong - they have to be comparable for the author to make this conclusion - this is actually weakening the argument/conclusion/
[A] nothing can be said or assumed about "one-third of the people.."

Hope this helps, and please correct me if I'm wrong.
Thank you!

I'm of the same opinion, the conclusion falls apart on negating C and same cannot be seen wrt B

[b]GMATNinja if you could share your views on the same
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Can you kindly explain why B is the correct answer?
thank you
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Can you kindly explain why B is the correct answer?

thank you
This argument concludes the figures "indicate how underpaid teachers are today." How do the figures support this idea?

Well, the argument compares two groups -- those who stayed in the teaching profession, and those who left. The argument then notes that twice as many people in the "left-teaching" group compared to the "stayed-in-teaching" group earn more than $35,000. According to the argument, this demonstrates that teachers are underpaid.

So is (B) a required assumption for this argument?
Quote:
The group of persons who left teaching and the group who did not are comparable in terms of factors that determine how much people outside the teaching profession are paid.
Well, the argument is based on the idea that teachers are getting paid less than they would if they left the profession. In other words, the argument assumes that the teachers who stayed in the profession COULD be making more if they left. But how do we know that's true?

What if the teachers who stayed in the profession would NOT make more money if they left? What if the people who left teaching are getting paid more because they have different skills? Skills that allow them to make more money outside the teaching profession? If that were the case, the figures wouldn't support the idea that teachers are underpaid.

So as (B) says, to reach its conclusion, this argument assumes that the people who left teaching and those who stayed are incomparable in terms of how much money they'd make outside the teaching profession. Because if they weren't comparable, we couldn't really be sure that the teachers are being underpaid.

I hope that helps!
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A- teachers who did not left teaching profession.
B- teachers who left teaching profession

IMO the assumption lies in the comparison between A&B

The numbers of A&B must be same and the quality of A&B also must be same.
Suppose the number of A is greater than the number of B, then the 15% and 30% comparison holds no value because the comparison is done on absolute numbers and we do not have any information about absolute numbers.

option B stated the other assumption i.e., the quality of A&B
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Hello from the GMAT Club VerbalBot!

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