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Guidebook writer: I have visited hotels throughout the country and hav

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New post 08 Sep 2010, 08:11
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vaivish1723 wrote:
I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Conclusion :Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.



Which of the following, if true, most seriously weakens the guidebook writer’s argument?

A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.Irreverent as the author compares just hotels
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930. We do not care about accommodation but about skill
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.Irrelevant- How can materials have anything to do. If at all it supports the authors conclusion that even though the same tools were used older buildings were better made
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished. The very reason that the author could visit these hotels is because the quality of carpentry was good and it withstood the test of time
E. The average length of apprenticeship for carpenters has declined significantly since 1930.Irrelevant


I dont know the answer, Kindly explain along with the right answer

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New post 08 Sep 2010, 08:12
cr-set-23-q2-53053.html

Another thread

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New post 08 Sep 2010, 08:13
Here is another link.. donot find it too helpful but can explain some answer choices

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New post 14 Sep 2010, 06:21
Please explain bit confused

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New post 14 Sep 2010, 06:59
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vaivish1723 wrote:
I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

We want to weaken the argument that carpenters before 1930 were better than carpenters after 1930.

A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores. The writer isn't comparing hotels to other buildings - irrelevant.

B. Hotels built since 1930 can generally accommodate more guests than those built before 1930. Irrelevant

C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930. STRENGTHENS the argument - if both sets of carpenters have the same quality tools, then the pre-1930's carpenters were probably doing better work with those tools

D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished. Makes sense - it's not that every single hotel built before 1930 was better than the ones built after, but instead that the VERY BEST hotels are still around, while the lesser ones have long since been demolished. The proportion of badly built hotels before 1930 could have been much higher than it is now, but all of the bad ones have been demolished and replaced with modern buildings, so the writer is only seeing the best of the best that were built.

E. The average length of apprenticeship for carpenters has declined significantly since 1930. Would strengthen the argument - carpenters train less now than they used to.


I dont know the answer, Kindly explain along with the right answer

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Re: Guidebook writer: I have visited hotels throughout the country and hav [#permalink]

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New post 14 Sep 2010, 07:25
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vaivish, malik, nishant - try using POE and you will narrow down to 1~2 choices.

Irrelevant A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.

Irrelevant. Some ppl might try to relate it - more guests - > more damage. If less damage means better work /quality (but this is stretching it too far in GMAT) B. Hotels built since 1930 can generally accommodate more guests than those built before 1930.

Strengthens coz is material is same, then workmanship has to be better. C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.

D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.

Irrelevant E. The average length of apprenticeship for carpenters has declined significantly since 1930.

Now go back to D. Building still there - > original carpentry is good quality - > it is not the workmanship, but the quality of material. Hence, weakens the claim of high quality of workmanship by the author.
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New post 03 Oct 2010, 08:16
adishail wrote:

Now go back to D. Building still there - > original carpentry is good quality - > it is not the workmanship, but the quality of material. Hence, weakens the claim of high quality of workmanship by the author.



Where does it specify about quality of material? It just says that building is still there because of good work done by workers.

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New post 30 Oct 2010, 00:58
choose e but d is the best

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Re: Guidebook writer: I have visited hotels throughout the country and hav [#permalink]

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New post 03 Nov 2010, 02:09
After going back and forth between D and E, I chose E after 1:44. Oops.
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New post 03 Nov 2010, 07:15
Was not happy with the answer. I was btw B and D, choose D because of the word "quality"

Only thing I got to say, grumpyoldman, thank you for the amazing explanation. I understand indeed why it is D.

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New post 22 Dec 2010, 06:42
unplugged wrote:
I think A also weakens the argument

If the carpentry in only the hotels is good then there is a possibility that only a few number of carpenters specialized in hotel carpentry were good(I'm assuming that majority of the carpenters, who were pathetic, in 1930s worked for houses, stores etc - makes sense because there must have been hardly a hand few hotels in that period)

So, the author's point of comparison is illogical - he cannot compare only a handful of carpenters of one era with the ones in some other era and make a conclusion about the carpenters as a whole

Cheers,
Unplugged

The person who is making the staement is only talking about Hotels and the carpentry he observed in hotels that he visited
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New post 22 Dec 2010, 09:30
Survivorship bias - so D.

The good hotels are overrepresented in the pre-1930s pool, becuase the bad ones got demolished. In the post 1930s pool (1930 to 2010), the bad to good ratio is not as skewed - since the recent bad ones are still in the sample.

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Re: Guidebook writer: I have visited hotels throughout the country and hav [#permalink]

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New post 25 Dec 2010, 03:40
bigfernhead wrote:
What is the source of this question?



Source is OG-12

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New post 25 Dec 2010, 03:58
Hi Guys, Thanks for the explanation to every option. I am however not convinced as to how D can be the correct answer. Here is my reasoning....

D - in D, you are comparing hotels that are still standing to hotels that were demolished. It makes sense to me that hotels with good carpentary were least likely to be demolished, so the carpenters who made them must have done a good job. On the other hand, the ones that were demolished lacked this sort of carpentary. Now if the author has not seen the ones that were demolished, how can he comment on the skill and hard work of the carpenters who made such hotels? Agreed....But i think we are missing something in this explanation.

Author compares hotels (that are standing - because he visited them) before and after 1930. He isnt even bothered about the quality of carpentary in the hotels that were demolished. So he is comparing GOOD vs EXCELLENT carpentary that was used in the hotels that are still standing. That makes option D do no good.

Please explain if ive missed something here...........thanks

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New post 25 Dec 2010, 08:01
good one and nice explanation grumpy !
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New post 26 Dec 2010, 08:09
Excellent question

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New post 06 Feb 2011, 09:05
D
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New post 06 Feb 2011, 14:55
D through POE.

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New post 06 Feb 2011, 23:52
Good Question. D by POE.

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Re: Guidebook writer: I have visited hotels throughout the country and hav [#permalink]

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New post 03 Apr 2011, 23:06
Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?
A. The quality of original carpentry in hotels is generally far superior to the quality
of original carpentry in other structures, such as houses and stores.
B. Hotels built since 1930 can generally accommodate more guests than those built
before 1930.
C. The materials available to carpenters working before 1930 were not significantly
different in quality from the materials available to carpenters working after 1930.
D. The better the quality of original carpentry in a building, the less likely that
building is to fall into disuse and be demolished.
E. The average length of apprenticeship for carpenters has declined significantly
since 1930.

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Re: Guidebook writer: I have visited hotels throughout the country and hav   [#permalink] 03 Apr 2011, 23:06

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