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According to government figures, the rate of people treated for melano

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According to government figures, the rate of people treated for melano  [#permalink]

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New post Updated on: 28 Jul 2018, 16:04
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27% (01:25) correct 73% (01:23) wrong based on 349 sessions

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According to government figures, the rate of people treated for melanoma, a deadly form of skin cancer, has increased dramatically since 1980. These statistics prove that efforts to halt the destruction of the ozone layer, which serves to filter out the cancer-causing ultraviolet rays of the sun, have been largely unsuccessful.

The conclusion of the argument above depends on which of the following assumptions?

A) The increase in the rate of people treated for melanoma did not result from an improved ability to detect the disease at a treatable stage of development.
B) The chances that an individual who contracts melanoma will survive have not improved since 1980.
C) Due to improvements in medical technology, melanoma patients are more likely to live longer after detection of the disease than they were in 1980.
D) It is highly unlikely that medical researchers will discover a cure for melanoma at any time in the foreseeable future.
E) The rate of melanoma will continue to increase unless the government poses a ban on the use of chlorofluorocarbons, which are largely responsible for the destruction of the ozone layer.

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Originally posted by dimmak on 28 Jul 2018, 14:49.
Last edited by dimmak on 28 Jul 2018, 16:04, edited 1 time in total.
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 28 Jul 2018, 16:19
kurien01 wrote:
the answer is A. What's the OA


Nope, it is E

The conclusion of the argument is that "efforts to halt the destruction of the ozone layer (...) have been largely unsuccessful."

The author assumes that the increase of people treated for melanoma is a direct consequence of ozone layer.

A) The increase in the rate of people treated for melanoma did not result from an improved ability to detect the disease at a treatable stage of development. Tempting, but detecting the disease at a treatable stage is irrelevant to the argument and out of scope
B) The chances that an individual who contracts melanoma will survive have not improved since 1980. So what?
C) Due to improvements in medical technology, melanoma patients are more likely to live longer after detection of the disease than they were in 1980. So what?
D) It is highly unlikely that medical researchers will discover a cure for melanoma at any time in the foreseeable future. Out of scope
E) The rate of melanoma will continue to increase unless the government poses a ban on the use of chlorofluorocarbons, which are largely responsible for the destruction of the ozone layer. Bingo!, here we have the relation between melanoma and the ozone layer
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 29 Jul 2018, 04:04
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A kind of statistics is given that X is increasing.
and this statistics has proved that efforts to halt ozone layer depletion have been unsuccessful.

so assumption is that x will continue to increase if ozone depletion is not halted by government.
E is absolutely correct.
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 30 Jul 2018, 20:55
I still have doubt whether it's E. I will still go with A.
Request GMATNinja to comment.
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 30 Jul 2018, 22:42
meetnikhil wrote:
I still have doubt whether it's E. I will still go with A.
Request GMATNinja to comment.
I wants to present my reason behind choosing option E...
Option E directly attacks the conclusion ...chlofloro carbons destroy ozone ..inturn causing increase in cancer particals..
Whereas A gives indirect solution..simply saying ..it is other reason rather than the reason given in conclusion...
Hope it helps

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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 31 Jul 2018, 21:23
How is A not correct?

If negate A,
The increase in the rate of people treated for melanoma DID result from an improved ability to detect the disease at a treatable stage of development.
Then the conclusion would be wrong. Increase in treatments is not because the efforts failed, it is because more people can be detected early.

Assumption+Evidence=Conclusion
E itself feels like a restate of conclusion, not an assumption.
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 05 Aug 2018, 13:10
1
The conclusion of the argument above depends on which of the following assumptions?

A) The increase in the rate of people treated for melanoma did not result from an improved ability to detect the disease at a treatable stage of development.
B) The chances that an individual who contracts melanoma will survive have not improved since 1980.
C) Due to improvements in medical technology, melanoma patients are more likely to live longer after detection of the disease than they were in 1980.
D) It is highly unlikely that medical researchers will discover a cure for melanoma at any time in the foreseeable future.
E) The rate of melanoma will continue to increase unless the government poses a ban on the use of chlorofluorocarbons, which are largely responsible for the destruction of the ozone layer

Hello - GMATNinja abhimahna -

Could you kindly comment on this question. I really don't think - E can be the answer here. My Analysis below -


Assumption is something - which is a must for conclusion to hold true. Also a few of the assumptions of a causal relation (A - caused - B) are -
-- B did not cause A
-- Any thing else did not caused B. (Only A - caused B)

Now coming back to the question -
Argument (summary) - The destruction of ozone layer is the reason behind the increased rate of melanom disease.

Option A is telling - Anything else (i.e. Improvement of detection technique of decease) is not the reason of the increased rate.
Choice E however , talks about a specific chemical - "chlorofluorocarbons" and says unless govt. bans the chemical, rate of melanoma will continue to increase.

Choice E is definitely a strengthener but we can't say it has to be true for conclusion to hold. The reason is use of specific detail on - "chlorofluorocarbons". What if this is not "chlorofluorocarbons" but something else. Choice E - can be considered if it is as shown below -

The rate of melanoma will continue to increase unless the destruction of ozone layer stops, --- Now this needs to be true for the conclusion to hold.

So, A seems to be the clear winner here.
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According to government figures, the rate of people treated for melano  [#permalink]

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New post 05 Aug 2018, 16:35
The most useful technique to find assumption is to negate the assumption and see whether it weakens conclusion. If so, then this is our assumption. Let's negate it:

E. The rate of melanoma will NOT continue to increase unless ... ban on ... chlorofluorocarbons, responsible for the destruction of the ozone layer.

AND WHAT? It has no effect on the conclusion:

... efforts to halt the destruction of the ozone layer ... have been largely unsuccessful.

Just forget this question and move on.
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 10 Aug 2018, 22:13
GMATNinja, Could you please explain this OA?
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 10 Aug 2018, 22:54
A) The increase in the rate of people treated for melanoma did not result from an improved ability to detect the disease at a treatable stage of development.Trick answer, as the argument is regarding the ozone, not about the disease
B) The chances that an individual who contracts melanoma will survive have not improved since 1980.Out of scope
C) Due to improvements in medical technology, melanoma patients are more likely to live longer after detection of the disease than they were in 1980.Out of Scope
D) It is highly unlikely that medical researchers will discover a cure for melanoma at any time in the foreseeable future.Out of Scope
E) The rate of melanoma will continue to increase unless the government poses a ban on the use of chlorofluorocarbons, which are largely responsible for the destruction of the ozone layer.Correct
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According to government figures, the rate of people treated for melano  [#permalink]

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New post 11 Aug 2018, 19:48
Assumption is a bridge that connects premises and conclusion. All actions that we have in the statement were done in the past. How can be E the right answer if it states facts about the future?

BS! And folks who are trying to sell E as a correct answer, do you really think that E is logical or you just want to feed your ego? ?

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According to government figures, the rate of people treated for melano &nbs [#permalink] 11 Aug 2018, 19:48
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