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During the Jenovian War, about 128,000 Karthusian civilians

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During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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During the Jenovian War, about 128,000 Karthusian civilians died in Karthusia, and about the same number of Karthusian soldiers died in battle. On the basis of these figures, it can be hypothesized that it was just as life-threatening to be a Karthusian civilian at that time as it was to be a Karthusian soldier.

Which of the following, if it could be carried out, would be most useful in an evaluation of the above hypothesis?

A.Separating between civilian deaths directly related to the war and civilian deaths not related to the war such as deaths caused by old age or natural causes

B.Comparing the percentage of death rates in each group rather than comparing the total numbers of deaths

C.Adding the number of war-related injuries in each group to the number of deaths

D.Comparing the number of deaths among male civilians with the number of deaths among Karthusian soldiers

E.Comparing the number of deaths among Karthusian civilians with the number of deaths among civilians in countries Karthusia was at war with during that time
[Reveal] Spoiler: OA

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Re: During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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New post 19 Sep 2013, 10:56
this argument uses a common statistical flaw. The author assumes that because the numbers are equal for both populations that we can then compare the relative risks. However, type of questions assume that the numbers are the same as the percentages, or that the total populations are comparably equal. If the populations are not equal then you can't compare the risk. Thus in order to compare the risk, you need to compare percentages, not numbers. Answer choice B does this exactly.
bagdbmba wrote:
During the Jenovian War, about 128,000 Karthusian civilians died in Karthusia, and about the same number of Karthusian soldiers died in battle. On the basis of these figures, it can be hypothesized that it was just as life-threatening to be a Karthusian civilian at that time as it was to be a Karthusian soldier.

Which of the following, if it could be carried out, would be most useful in an evaluation of the above hypothesis?

A.Separating between civilian deaths directly related to the war and civilian deaths not related to the war such as deaths caused by old age or natural causesThe paragraph doesn't say why it is risky being a civilian so deaths by natural causes would still factor into risk.

B.Comparing the percentage of death rates in each group rather than comparing the total numbers of deaths

C.Adding the number of war-related injuries in each group to the number of deathsAdding injuries might give more information but is beyond the scope of the argument

D.Comparing the number of deaths among male civilians with the number of deaths among Karthusian soldiersthe argument doesn't distinguish between males and females so this information will not help to support the argument

E.Comparing the number of deaths among Karthusian civilians with the number of deaths among civilians in countries Karthusia was at war with during that timethe paragraph does not mention other countries and information about them will not help to determine relative risk of civilian or military members in the country

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Re: During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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New post 21 Sep 2013, 03:30
B It is, you can pre-think this one straight away. 33 seconds.

The argument says,The number of soldiers who died was the same as the number of civilians who had died. Out of common sense, we can guess that in general number of soldiers are less than the number of civilians. So to prove that the argument holds, we need to be told that the number of soldiers is same as the number of civilians, then only can we say that the period was equably life threatening to both of them.

Difficulty is not 700 maybe sub-600
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Re: During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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New post 22 Sep 2013, 22:44
bagdbmba wrote:
During the Jenovian War, about 128,000 Karthusian civilians died in Karthusia, and about the same number of Karthusian soldiers died in battle. On the basis of these figures, it can be hypothesized that it was just as life-threatening to be a Karthusian civilian at that time as it was to be a Karthusian soldier.

Which of the following, if it could be carried out, would be most useful in an evaluation of the above hypothesis?

A.Separating between civilian deaths directly related to the war and civilian deaths not related to the war such as deaths caused by old age or natural causes

B.Comparing the percentage of death rates in each group rather than comparing the total numbers of deaths

C.Adding the number of war-related injuries in each group to the number of deaths

D.Comparing the number of deaths among male civilians with the number of deaths among Karthusian soldiers

E.Comparing the number of deaths among Karthusian civilians with the number of deaths among civilians in countries Karthusia was at war with during that time


This one is statistical argument and pretty straight forward. Now here the comparison is between the number of deaths Karthusian civilians and Karthusian soldiers. Argument concludes that both have the same chance of survival. Now here we have a huge gap in logic. Well ask yourself. How argument says 128,000 people died in both cases. But what if the population of kartusian was 20 million and the population of soldiers was 1 million then the argument is broken. If the population is same then the argument strengthen.

Only answer choice B presents this scenarios. In evaluating an argument type question if the situation fails then the argument will either weaken/strengthen and vice versa. Is the answer choice has no impact if the answer choice doesn't fail then its not the correct answer.

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Re: During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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New post 23 Oct 2013, 06:06
You could prethink this by taking some numbers and putting them say there were 100 civilians who died and 100 soldiers who died.
What if the number of civilians were 200 , and the total number of soldiers were 100 and all of them died.
That means 50% of civilians died and 100% of soldiers died and hence its important to have percentages and not absolute numbers.

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Re: During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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New post 20 Dec 2015, 18:48
the conclusion states that dangers of civilian = dangers of soldier

for this to be true:
#of died civilians / # of all civilians = # of died soldiers/#of all soldiers.

if this proportion is the same, then we can conclude that the odds of dying is the same.

only B asks a question that the above can be evaluated.

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Re: During the Jenovian War, about 128,000 Karthusian civilians [#permalink]

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New post 25 Sep 2017, 14:42
E is out of scope b/c E talks about wars at other countries.
A is wrong while B is correct b/c "comparing" wins over "separating"

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Re: During the Jenovian War, about 128,000 Karthusian civilians   [#permalink] 25 Sep 2017, 14:42
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During the Jenovian War, about 128,000 Karthusian civilians

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