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

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

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New post 14 Oct 2019, 08:21
E is incorrect as it is saying about future increase of rate. The stem talks about the increased rate from 1980 till present time.
A removes a alternate reason for the action to happen and hence should be correct.
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New post 14 Oct 2019, 23:29
I strongly believe that option E is a mere strengthener whereas option A is an appropriate assumption. Can you please help with what your opinion on this question is?
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New post 21 Oct 2019, 01:10
Bunuel GMATNinja
can you please help in this question, the discussion in itself doesn't help much in clarifying confusion between A and E.
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New post 25 Oct 2019, 23:57
itoyj wrote:
Bunuel GMATNinja
can you please help in this question, the discussion in itself doesn't help much in clarifying confusion between A and E.


GMATNinja VeritasKarishma nightblade354 please explain difference b/w A and E
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Re: According to government figures, the rate of people treated for melano  [#permalink]

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New post 26 Oct 2019, 06:11
Aviral1995 wrote:
itoyj wrote:
Bunuel GMATNinja
can you please help in this question, the discussion in itself doesn't help much in clarifying confusion between A and E.


GMATNinja VeritasKarishma nightblade354 please explain difference b/w A and E


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

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New post 31 Oct 2019, 13:21
dimmak wrote:
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.



Premise : rate of people treated for melanoma has increased dramatically since 1980.

Conclusion: The statistics proves that efforts to halt the destruction of ozone layer have largely been unsuccessful.

Let's try to find the ways in which the conclusion is weakened given the premise.

How to get conclusion to weaken(pre-thinking):
1. What if the rate for people being treated was low because there was no way for anyone to find out if someone had melanoma until it was too late.
2. What if there are multiple reasons for melanoma and destruction of ozone is only one.

If these are true, then the statistics do not prove that the efforts to halt the destruction of ozone layer have been unsuccessful.

Hence, the assumptions are :

1. The increase in rate of people in whom the melanoma was detected in earlier stages was not improved.
2. Melanoma can only caused by harmful rays from sun and not anything else, say tanning machine.

The answer is definitely A.

Looking at E.
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.

How is a conclusion that is trying to prove something based on past result be assuming something from future ? That totally nonsensical.
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According to government figures, the rate of people treated for melano   [#permalink] 31 Oct 2019, 13:21

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