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Reformer: A survey of police departments keeps track of the nationa

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Reformer: A survey of police departments keeps track of the nationa  [#permalink]

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New post 29 Aug 2018, 19:49
4
00:00
A
B
C
D
E

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  85% (hard)

Question Stats:

48% (02:07) correct 52% (02:02) wrong based on 161 sessions

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Reformer: A survey of police departments keeps track of the national crime rate, which is the annual number of crimes per 100,000 people. The survey shows no significant reduction in the crime rate in the past 20 years, but the percentage of the population in prison has increased substantially, and public expenditure on prisons has grown at an alarming rate. This demonstrates that putting more people in prison cannot help to reduce crime.

A flaw in the reformer's argument is that it

(A) infers without justification that because of the national crime rate has increased, the number of crimes reported by each police department has increased

(B) ignores the possibility that the crime rate would have significantly increased if it had not been for the greater rate of imprisonment

(C) overlooks the possibility that the population has increased significantly over the past 20 years

(D) presumes, without providing a warrant, that alternative measures for reducing crime would be more effective than imprisonment

(E) takes for granted that the number of prisoners must be proportional to the number of crimes committed


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Re: Reformer: A survey of police departments keeps track of the nationa  [#permalink]

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New post 15 Sep 2018, 11:22
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Reformer: A survey of police departments keeps track of the national crime rate, which is the annual number of crimes per 100,000 people. The survey shows no significant reduction in the crime rate in the past 20 years, but the percentage of the population in prison has increased substantially, and public expenditure on prisons has grown at an alarming rate. This demonstrates that putting more people in prison cannot help to reduce crime.

A flaw in the reformer's argument is that it

*Pre thinking is a great help to improve the CR ability.*

(A) infers without justification that because of the national crime rate has increased, the number of crimes reported by each police department has increased This option is not coherent with the main point discussed.

(B) ignores the possibility that the crime rate would have significantly increased if it had not been for the greater rate of imprisonment
Correct option and the greatest flaw in the reasoning.The reason why the crime rate has remained same is because criminals are in jail,and if the criminals are set free the crime rate will increase directly proportional to the population increase.

(C) overlooks the possibility that the population has increased significantly over the past 20 years
so if the population increases the crime shall increase the crime rate may remain same..but the argument does not mention that the population has increased significantly.

(D) presumes, without providing a warrant, that alternative measures for reducing crime would be more effective than imprisonment
Clearly out of scope.

(E) takes for granted that the number of prisoners must be proportional to the number of crimes committed
cannot be true always.. so wrong option.
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Re: Reformer: A survey of police departments keeps track of the nationa  [#permalink]

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New post 16 Sep 2018, 02:24
The answer should be C. Is there a source to this question so I can verify that it is B.
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Re: Reformer: A survey of police departments keeps track of the nationa  [#permalink]

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New post 16 Sep 2018, 05:18
IMO,POE as follows
Conclusion :This demonstrates that putting more people in prison cannot help to reduce crime.


(A) infers without justification that because of the national crime rate has increased, the number of crimes reported by each police department has increased : "each police department" (?)..no relevancy to conclusion

(B) ignores the possibility that the crime rate would have significantly increased if it had not been for the greater rate of imprisonment : This seems logical, while reformer criticizes rate of imprisonment has increased. he could be forgetting to notice that without it crime rate would have been greater.
seems like normal scenario, where we criticize certain think a little too much that we forget to see bright side it offers. Keep B.


(C) overlooks the possibility that the population has increased significantly over the past 20 years
.Author has given crime rate per 10000 people. so population increase is well accounted in new rate. C is out rate. C is out[/color]

(D) presumes, without providing a warrant, that alternative measures for reducing crime would be more effective than imprisonment : No, we dont really care about alternative measures. D is out.

(E) takes for granted that the number of prisoners must be proportional to the number of crimes committed : This seems like contender to me.
but after analyzing, author is saying crime rate has reduced a little. but he doesn't expect imprisonment to be in proportion. from where we can get this?
because author says "imprisonment has significantly increased". he is not taking it for granted. he is concerned about significant increase. Hence E is out.



B must be the right answer!!
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Re: Reformer: A survey of police departments keeps track of the nationa  [#permalink]

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New post 16 Sep 2018, 09:50
nakulanand wrote:
The answer should be C. Is there a source to this question so I can verify that it is B.


C (overlooks the possibility that the population has increased significantly over the past 20 years). It does not indicate a flaw. It simply points that greater number in crime is directly proportional to the increase in population.
old population 10 no of crime 2
new population 100 no of crim 20.
it is just a statement whereas B states that out of these 20 people if 18 are in jail. (suppose initially ) 1 was in jail. These 18 in jail help preventing the increase in the ratio.

Hope it helps
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Re: Reformer: A survey of police departments keeps track of the nationa  [#permalink]

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New post 16 Sep 2018, 10:16
No...C does explain the entire argument perfectly.It also explains why the conclusion “putting more people in jail cant reduce crimes” is incorrect.C is basically saying = more people are put in jail because of population increase & not to reduce the crime rate.How can this not indicate a flaw...?

Some expert needs to chip in.I would prefer GMATNINJA since this is from an official source...

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Re: Reformer: A survey of police departments keeps track of the nationa   [#permalink] 16 Sep 2018, 10:16
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