The U.S. census is not perfect: thousands of Ame -Old Thread : GMAT Critical Reasoning (CR)
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# The U.S. census is not perfect: thousands of Ame -Old Thread

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The U.S. census is not perfect: thousands of Ame -Old Thread [#permalink]

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28 Dec 2004, 12:24
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The U.S. census is not perfect: thousands of Americans probably go uncounted. However, the basic statistical portrait of the nation painted by the census is accurate. Certainly some of the poor go uncounted, particularly the homeless; but some of the rich go uncounted as well, because they are often abroad or traveling between one residence and another.

Which of the following is an assumption on which the argument above depends?

(A) Both the rich and the poor have personal and economic reasons to avoid being counted by the census.
(B) All Americans may reasonably be classified as either poor or rich.
(C) The percentage of poor Americans uncounted by the census is close to the percentage of rich Americans uncounted.
(D) The number of homeless Americans is approximately equal to the number of rich Americans.
(E) The primary purpose of the census is to analyze the economic status of the American population.
[Reveal] Spoiler: OA
If you have any questions
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28 Dec 2004, 13:00
I think the underlying assumption is that both rich and poor not being counted are equally impacted. I will go for C where equal % of rich and poor are impacted (proportionally equal impact). D is close but "equal in number" is a bit too much to assume.
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28 Dec 2004, 15:51
Go with Patrick.

Thanks
Saurabh Malpani
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28 Dec 2004, 22:25
OA is C...... nice explanation

thanks guys
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30 Dec 2004, 16:35
Shouldn't this be 'B'
Suppose, there are 10% of rich & poor americans go uncounted - the actual numbers could be different.
For example, if there are 100 rich americans and 1000 poor americans - the numbers will be 10 & 100 respectively which means the statistics painted by the census bureau will be inaccurate -if this is assumed then we will have to make another assumption - the number of rich & poor americans is the same
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31 Dec 2004, 09:42

It will be "c" as:
Missing poor Americans Missing rich Americans
--------------------------- = -------------------------
Total Americans Total Americans
+++++

& Not

Missing Poor Americans Missing Rich Americans
--------------------------- = --------------------------
Total Poor Americans Total Rich Americans
+++

Tx.

Anna
Shouldn't this be 'B'
Suppose, there are 10% of rich & poor americans go uncounted - the actual numbers could be different.
For example, if there are 100 rich americans and 1000 poor americans - the numbers will be 10 & 100 respectively which means the statistics painted by the census bureau will be inaccurate -if this is assumed then we will have to make another assumption - the number of rich & poor americans is the same

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31 Dec 2004, 20:56
Anna Rama, In order for 'C' to be assumed 'B' needs to be assumed in the first place only then can you assume 'C'.
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The U.S. census is not perfect: thousands of Americans [#permalink]

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22 Mar 2005, 19:36
The U.S. census is not perfect: thousands of Americans probably go uncounted. However, the basic statistical portrait of the nation painted by the census is accurate. Certainly some of the poor go uncounted, particularly the homeless; but some of the rich go uncounted as well, because they are often abroad or traveling between one residence and another.
Which of the following is an assumption on which the argument above depends?

(A) Both the rich and the poor have personal and economic reasons to avoid being counted by the census.
(B) All Americans may reasonably be classified as either poor or rich.
(C) The percentage of poor Americans uncounted by the census is close to the percentage of rich Americans uncounted.
(D) The number of homeless Americans is approximately equal to the number of rich Americans.
(E) The primary purpose of the census is to analyze the economic status of the American population.
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22 Mar 2005, 20:43
(A) Both the rich and the poor have personal and economic reasons to avoid being counted by the census.
- out of scope

(B) All Americans may reasonably be classified as either poor or rich.

(C) The percentage of poor Americans uncounted by the census is close to the percentage of rich Americans uncounted.
- out.

(D) The number of homeless Americans is approximately equal to the number of rich Americans.
-out

(E) The primary purpose of the census is to analyze the economic status of the American population.
-out of scope

I'll go with (B). The passage suggests that only Americans can be classified into two types: Rich or Poor.
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Re: CR - US Census [#permalink]

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22 Mar 2005, 22:26
Antmavel wrote:
The U.S. census is not perfect: thousands of Americans probably go uncounted. However, the basic statistical portrait of the nation painted by the census is accurate. Certainly some of the poor go uncounted, particularly the homeless; but some of the rich go uncounted as well, because they are often abroad or traveling between one residence and another.
Which of the following is an assumption on which the argument above depends?

(A) Both the rich and the poor have personal and economic reasons to avoid being counted by the census.
(B) All Americans may reasonably be classified as either poor or rich.
(C) The percentage of poor Americans uncounted by the census is close to the percentage of rich Americans uncounted.
(D) The number of homeless Americans is approximately equal to the number of rich Americans.
(E) The primary purpose of the census is to analyze the economic status of the American population.

I think this question is weird.

The conclusion is that the basic statistical portrait of the nation painted by the census is accurate.

But author just said that some of the poor are not counted and some of the rich are also not counted.

How could we prove the conclusion is true.

We must assume that the number of the poor uncounted is the same as the number of the rich uncounted.

However, we cannot find the answer choice.

(B) is unclear. Even if we can specify who is poor or rich. How could we prove that although thousands of Americans probably go uncounted, the census is still accurate.

I would pick C.
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24 Mar 2005, 06:02
To be honest with you, I thought everybody was going to answer B but I got a C from chunjuwu

Actually OA is C, I am reading now chunjuwu's post because in my mind it was a mistake in the OA, it seemed so obvious that it was B...

However maybe chunjuwu's post will change my opinion about that CR
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24 Mar 2005, 06:10
I kinda disagree that it's (C). The source of the question will determine though because some questions sets aren't that reliable as far as answers go.
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24 Mar 2005, 06:37
The source is unfortunately unknown as it is coming from Internet...
Honnestly, if tomorrow I have the same question I will answer B again
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24 Mar 2005, 07:12
its C.
it says.
However, the basic statistical portrait of the nation painted by the census is accurate.

accurate i.e. the final number is correct in the sense the number of uncounter poor and uncounted rich are equal in number . this one is more appropriate than B.
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24 Mar 2005, 11:36
it should be C, B is not an assumption.
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The U.S. census is not perfect: thousands of Americans [#permalink]

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22 Apr 2005, 21:48
The U.S. census is not perfect: thousands of Americans probably go uncounted. However, the basic statistical portrait of the nation painted by the census is accurate. Certainly some of the poor go uncounted, particularly the homeless; but some of the rich go uncounted as well, because they are often abroad or traveling between one residence and another.

Which of the following is an assumption on which the argument above depends?

(A) Both the rich and the poor have personal and economic reasons to avoid being counted by the census.
(B) All Americans may reasonably be classified as either poor or rich.
(C) The percentage of poor Americans uncounted by the census is close to the percentage of rich Americans uncounted.
(D) The number of homeless Americans is approximately equal to the number of rich Americans.
(E) The primary purpose of the census is to analyze the economic status of the American population.
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22 Apr 2005, 21:53
D for me...

(A) Both the rich and the poor have personal and economic reasons to avoid being counted by the census.
-- not stated...out of context

(B) All Americans may reasonably be classified as either poor or rich.
-- out of context.we are talking about the ones that have been classified as rich or poor...doesn't matter if they can be or not...

(C) The percentage of poor Americans uncounted by the census is close to the percentage of rich Americans uncounted.
-- pecentage doesn't give the correct numbers being compared..actual number of rich and poor are being compared...

(E) The primary purpose of the census is to analyze the economic status of the American population.
--irrelevant...doesn't matter
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23 Apr 2005, 02:04
D for me.

Homeless and rich abroad should be euqal in number for conclusion to hold.
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23 Apr 2005, 05:06
C)...

if the the percentage of poor Americans uncounted by the census is NOT close to the percentage of rich Americans uncounted, the basic statistical portrait of the nation painted by the census is NOT accurate.

D) is out because the % can be adjusted to that disrelation so that the statistical portrait is still accurate.

only when we negate C) the conclusion falls apart
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23 Apr 2005, 08:56
23 Apr 2005, 08:56

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