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Thirty years ago, deer and elk in selected parts of the Rocky Mountain

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Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 15 May 2017, 23:06
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Thirty years ago, deer and elk in selected parts of the Rocky Mountains were first discovered with a condition known as wasting disease. In 1970, two percent of the deer and elk killed by hunters were diagnosed with the disease. In 1995, that percentage had grown to six percent. This increase in the incidence of the disease proves that wasting disease has become much more prevalent in the last twenty-five years.

If true, which one of the following selections most seriously weakens the author’s conclusion?

(A) Wasting disease has not been discovered in domestic livestock or in moose or bighorn sheep, which are also found in significant numbers in the Rocky Mountains.
(B) Wasting disease tends to make deer and elk lethargic, making them more easily killed by hunters.
(C) Since it was first reported, wasting disease has occasionally been diagnosed in deer outside the Rocky Mountains.
(D) Hunters have grown more reluctant to cooperate with the authorities in reporting their deer and elk harvest, because if wasting disease is diagnosed in their harvest, the meat will be destroyed.
(E) It is very difficult to diagnose wasting disease more than twenty-four hours after death, so many cases of the disease have gone undiagnosed.

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Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 16 May 2017, 19:43
rohan2345 wrote:
Thirty years ago, deer and elk in selected parts of the Rocky Mountains were first discovered with a condition known as wasting disease. In 1970, two percent of the deer and elk killed by hunters were diagnosed with the disease. In 1995, that percentage had grown to six percent. This increase in the incidence of the disease proves that wasting disease has become much more prevalent in the last twenty-five years.

If true, which one of the following selections most seriously weakens the author’s conclusion?

(A) Wasting disease has not been discovered in domestic livestock or in moose or bighorn sheep, which are also found in significant numbers in the Rocky Mountains.
(B) Wasting disease tends to make deer and elk lethargic, making them more easily killed by hunters.
(C) Since it was first reported, wasting disease has occasionally been diagnosed in deer outside the Rocky Mountains.
(D) Hunters have grown more reluctant to cooperate with the authorities in reporting their deer and elk harvest, because if wasting disease is diagnosed in their harvest, the meat will be destroyed.
(E) It is very difficult to diagnose wasting disease more than twenty-four hours after death, so many cases of the disease have gone undiagnosed.


Doubt on OA..

The disease make deer lethargic .Hence ,they get killed by hunters.

In both the time frame ,argument is comparing effect of same disease on deer pop . How can we assume that in second case more killing happened because of symptoms. The Disease is same , so symptoms will be same in both the cases.Moreover,Nothing is mentioned about incubation period of disease .
Please advice .
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 16 May 2017, 22:26
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sobby wrote:
rohan2345 wrote:
Thirty years ago, deer and elk in selected parts of the Rocky Mountains were first discovered with a condition known as wasting disease. In 1970, two percent of the deer and elk killed by hunters were diagnosed with the disease. In 1995, that percentage had grown to six percent. This increase in the incidence of the disease proves that wasting disease has become much more prevalent in the last twenty-five years.

If true, which one of the following selections most seriously weakens the author’s conclusion?

(A) Wasting disease has not been discovered in domestic livestock or in moose or bighorn sheep, which are also found in significant numbers in the Rocky Mountains.
(B) Wasting disease tends to make deer and elk lethargic, making them more easily killed by hunters.
(C) Since it was first reported, wasting disease has occasionally been diagnosed in deer outside the Rocky Mountains.
(D) Hunters have grown more reluctant to cooperate with the authorities in reporting their deer and elk harvest, because if wasting disease is diagnosed in their harvest, the meat will be destroyed.
(E) It is very difficult to diagnose wasting disease more than twenty-four hours after death, so many cases of the disease have gone undiagnosed.


Doubt on OA..

The disease make deer lethargic .Hence ,they get killed by hunters.

In both the time frame ,argument is comparing effect of same disease on deer pop . How can we assume that in second case more killing happened because of symptoms. The Disease is same , so symptoms will be same in both the cases.Moreover,Nothing is mentioned about incubation period of disease .
Please advice .





Agreed, if the initial period saw 2% of deer and elk having those disease, then how can say that the increase to 6% is because of the symptoms of the same? Shouldn't the deer and elk show similar symptoms irrespective whenever it is ?

Saying that, because the deers are lethargic and can't move hence they are killed, and since the number is 6% now, it weakens the argument, makes no sense!
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 17 May 2017, 00:59
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(A) Wasting disease has not been discovered in domestic livestock or in moose or bighorn sheep, which are also found in significant numbers in the Rocky Mountains. - irrelevant

(B) Wasting disease tends to make deer and elk lethargic, making them more easily killed by hunters. - correct

(C) Since it was first reported, wasting disease has occasionally been diagnosed in deer outside the Rocky Mountains. - irrelevant

(D) Hunters have grown more reluctant to cooperate with the authorities in reporting their deer and elk harvest, because if wasting disease is diagnosed in their harvest, the meat will be destroyed. - it in fact strengthens the argument. Incorrect

(E) It is very difficult to diagnose wasting disease more than twenty-four hours after death, so many cases of the disease have gone
undiagnosed - it strengthens the argument.The current actual number can rise the perccent. Incorrect
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 17 May 2017, 01:52
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rohan2345 wrote:
Thirty years ago, deer and elk in selected parts of the Rocky Mountains were first discovered with a condition known as wasting disease. In 1970, two percent of the deer and elk killed by hunters were diagnosed with the disease. In 1995, that percentage had grown to six percent. This increase in the incidence of the disease proves that wasting disease has become much more prevalent in the last twenty-five years.

If true, which one of the following selections most seriously weakens the author’s conclusion?

(A) Wasting disease has not been discovered in domestic livestock or in moose or bighorn sheep, which are also found in significant numbers in the Rocky Mountains.
(B) Wasting disease tends to make deer and elk lethargic, making them more easily killed by hunters.
(C) Since it was first reported, wasting disease has occasionally been diagnosed in deer outside the Rocky Mountains.
(D) Hunters have grown more reluctant to cooperate with the authorities in reporting their deer and elk harvest, because if wasting disease is diagnosed in their harvest, the meat will be destroyed.
(E) It is very difficult to diagnose wasting disease more than twenty-four hours after death, so many cases of the disease have gone undiagnosed.



I think its B as the deers and elks were killed earlier also and it doesn't make the disease prevalent.
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 18 May 2017, 19:50
Except B, all the other options are just bad. B is clearly the best among the lot, although not very convincing.
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 14 Feb 2018, 13:33
I still don't get how the correct answer should be B).

If the disease makes deer lethargic, then this effect has been constant over time. Thus, if more deer with this disease get shot, the increase can't be explain by the lehthargy. This argument is irrelevant imo.

The most logical answer to me was D), because if hunters hesitate to cooperate with the authorities they might not report every deer they shot. It is more probable that they don't report a dead deer with disease than one without disease, but we can't know that for sure. Hence, if hunters report lower numbers overall the statistic might perhaps not be representative. I am aware that this explanation isn't too satisyfing, but imo it's still better than the remaining answer choices.
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 23 Feb 2018, 03:52
Masterscorp wrote:
I still don't get how the correct answer should be B).

If the disease makes deer lethargic, then this effect has been constant over time. Thus, if more deer with this disease get shot, the increase can't be explain by the lehthargy. This argument is irrelevant imo.

The most logical answer to me was D), because if hunters hesitate to cooperate with the authorities they might not report every deer they shot. It is more probable that they don't report a dead deer with disease than one without disease, but we can't know that for sure. Hence, if hunters report lower numbers overall the statistic might perhaps not be representative. I am aware that this explanation isn't too satisyfing, but imo it's still better than the remaining answer choices.


Hi Masterscorp.

My line of pre-thinking before analysing answer choices were exactly as yours and chose D. Still not convinced why B.
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 23 Feb 2018, 12:22
hellosanthosh2k2 wrote:
Masterscorp wrote:
I still don't get how the correct answer should be B).

If the disease makes deer lethargic, then this effect has been constant over time. Thus, if more deer with this disease get shot, the increase can't be explain by the lehthargy. This argument is irrelevant imo.

The most logical answer to me was D), because if hunters hesitate to cooperate with the authorities they might not report every deer they shot. It is more probable that they don't report a dead deer with disease than one without disease, but we can't know that for sure. Hence, if hunters report lower numbers overall the statistic might perhaps not be representative. I am aware that this explanation isn't too satisyfing, but imo it's still better than the remaining answer choices.


Hi Masterscorp.

My line of pre-thinking before analysing answer choices were exactly as yours and chose D. Still not convinced why B.

Hi hellosanthosh2k2,

it's great to hear that you agree with my thinking. I guess we just have to deal with the fact that the correct answer given by the author of this question remains unclear to us.
We will move on and answer other questions, which are in line with your thinking, correctly - that's the spirit :-) :thumbup:
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 24 Feb 2018, 01:08
rohan2345 wrote:
Thirty years ago, deer and elk in selected parts of the Rocky Mountains were first discovered with a condition known as wasting disease. In 1970, two percent of the deer and elk killed by hunters were diagnosed with the disease. In 1995, that percentage had grown to six percent. This increase in the incidence of the disease proves that wasting disease has become much more prevalent in the last twenty-five years.

If true, which one of the following selections most seriously weakens the author’s conclusion?

(A) Wasting disease has not been discovered in domestic livestock or in moose or bighorn sheep, which are also found in significant numbers in the Rocky Mountains.
(B) Wasting disease tends to make deer and elk lethargic, making them more easily killed by hunters.
(C) Since it was first reported, wasting disease has occasionally been diagnosed in deer outside the Rocky Mountains.
(D) Hunters have grown more reluctant to cooperate with the authorities in reporting their deer and elk harvest, because if wasting disease is diagnosed in their harvest, the meat will be destroyed.
(E) It is very difficult to diagnose wasting disease more than twenty-four hours after death, so many cases of the disease have gone undiagnosed.


except for inference question, i alway try to criticize argument immediately after reading the argument. because criticization open up the way for answering all of cr problem.
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain  [#permalink]

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New post 07 Mar 2018, 14:00
Masterscorp wrote:
I still don't get how the correct answer should be B).

If the disease makes deer lethargic, then this effect has been constant over time. Thus, if more deer with this disease get shot, the increase can't be explain by the lehthargy. This argument is irrelevant imo.

The most logical answer to me was D), because if hunters hesitate to cooperate with the authorities they might not report every deer they shot. It is more probable that they don't report a dead deer with disease than one without disease, but we can't know that for sure. Hence, if hunters report lower numbers overall the statistic might perhaps not be representative. I am aware that this explanation isn't too satisyfing, but imo it's still better than the remaining answer choices.


Choice D must be INCORRECT. Because it is strengthening the argument main point. When the hunters hiding and do not reporting about their hunting, that means, still there are more evidence of such diseases that could be found, hence the increase in incidence is even very large than expected. Perfect strengthen choice. so eliminate it.
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Re: Thirty years ago, deer and elk in selected parts of the Rocky Mountain &nbs [#permalink] 07 Mar 2018, 14:00
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