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Statistician :PowerScore

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Statistician :PowerScore [#permalink] New post 02 Oct 2009, 00:54
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A
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D
E

Difficulty:

  45% (medium)

Question Stats:

57% (02:30) correct 43% (01:43) wrong based on 223 sessions
Statistician : A financial magazine claimed that its survey of its subscribers showed that North Americans are more concerned about their personal finances than about politics. One question was: “Which do you think about more: politics or the joy of earning money?” This question is clearly biased. Also, the readers of the magazine are a self-selecting sample. Thus, there is reason to be skeptical about the conclusion drawn in the magazine’s survey.

Each of the following, if true, would strengthen the statistician’s argument EXCEPT:

A) The credibility of the magazine has been called into question on a number of occasions.
B) The conclusions drawn in most magazine surveys have eventually been disproved.
C) Other surveys suggest that North Americans are just as concerned about politics as they are about finances.
D) There is reason to be skeptical about the results of surveys that are biased and unrepresentative.
E) Other surveys suggest that North Americans are concerned not only with politics and finances, but also with social issues.

Source :- Powerscore CR Bible
[Reveal] Spoiler: OA

Last edited by Narenn on 31 Oct 2013, 11:13, edited 2 times in total.
Necessary corrections for 'Bumping for review' project
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Re: Statistician :PowerScore [#permalink] New post 02 Oct 2009, 04:16
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This I guess has been taken from the Powerscore CR bible. The explanation given in the same is quite verbose and clear
Anyways I will try putting it in my own words.
The main conclusion here is: "There is a reason to be skeptical about the conclusion drawn by the magazine's survey"

A and B obviously strengthen it so are eliminated
C can be reworded as "North americans are as much concerned about finances as politics if not less", which again tends to strengthen the premises from which the conclusion is drawn
D -> is more or less like the last line of the stimuli
E -> This answer clearly doesnt impact the conclusion, since it speaks about a new topic i.e social issues which wasn't a part of the stimuli...

Please let me know if this helped
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Re: Statistician :PowerScore [#permalink] New post 02 Oct 2009, 05:34
yes its from PowerScore CR .

in D as you said its same as the last part of the stimulus ,i was wondering if i miss anything that it intend to say more than that . Thanks for explanation
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Re: Statistician :PowerScore [#permalink] New post 02 Oct 2009, 11:09
sacmanitin wrote:
yes its from PowerScore CR .

in D as you said its same as the last part of the stimulus ,i was wondering if i miss anything that it intend to say more than that . Thanks for explanation


Naah...nothing much....Since the Statistician has already shown that the survey is biased and unrepresentative, so the option D goes in favor of strengthening the conclusion
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Re: Statistician :PowerScore [#permalink] New post 03 Oct 2009, 10:32
so is the OA E ?
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Re: Statistician :PowerScore [#permalink] New post 04 Oct 2009, 09:31
Yes the OA is E....
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Re: Statistician :PowerScore [#permalink] New post 04 Nov 2013, 01:52
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Re: Statistician :PowerScore [#permalink] New post 27 Dec 2013, 16:34
sacmanitin wrote:
Statistician : A financial magazine claimed that its survey of its subscribers showed that North Americans are more concerned about their personal finances than about politics. One question was: “Which do you think about more: politics or the joy of earning money?” This question is clearly biased. Also, the readers of the magazine are a self-selecting sample. Thus, there is reason to be skeptical about the conclusion drawn in the magazine’s survey.

Each of the following, if true, would strengthen the statistician’s argument EXCEPT:

A) The credibility of the magazine has been called into question on a number of occasions.
B) The conclusions drawn in most magazine surveys have eventually been disproved.
C) Other surveys suggest that North Americans are just as concerned about politics as they are about finances.
D) There is reason to be skeptical about the results of surveys that are biased and unrepresentative.
E) Other surveys suggest that North Americans are concerned not only with politics and finances, but also with social issues.

Source :- Powerscore CR Bible


Who cares about social issues? Totally out of scope

Hence E

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Re: Statistician :PowerScore [#permalink] New post 07 Jan 2014, 21:55
Are you sure about the OA for this question, the last option actually strengthens what the author is saying. It appears to be one of those typical poorly designed questions.
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Re: Statistician :PowerScore [#permalink] New post 12 Jan 2014, 23:41
I dont see why the OA should be E..as its totally out of scope..
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Re: Statistician :PowerScore [#permalink] New post 13 Jan 2014, 09:11
Statistician : A financial magazine claimed that its survey of its subscribers showed that North Americans are more concerned about their personal finances than about politics. One question was: “Which do you think about more: politics or the joy of earning money?” This question is clearly biased. Also, the readers of the magazine are a self-selecting sample. Thus, there is reason to be skeptical about the conclusion drawn in the magazine’s survey.

Each of the following, if true, would strengthen the statistician’s argument EXCEPT:

A) The credibility of the magazine has been called into question on a number of occasions...strengthen's the argument.
B) The conclusions drawn in most magazine surveys have eventually been disproved......strengthen's the argument.
C) Other surveys suggest that North Americans are just as concerned about politics as they are about finances.....strengthen's the argument.
D) There is reason to be skeptical about the results of surveys that are biased and unrepresentative.....as the sample is self selecting ....strengthen's the argument.
E) Other surveys suggest that North Americans are concerned not only with politics and finances, but also with social issues.....does not strengthen....hence correct
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Re: Statistician :PowerScore [#permalink] New post 18 Jan 2014, 20:14
can someone please explain how is OA E?
Mag X survey says something which author does not agree to and is skeptical.
Other survey too denies the fact and infact gives new perspective of people - choice E.

Then in fact choice E also strengthen author's claim that Mag X survey is incorrect. Isnt it also a strengthener ?
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Re: Statistician :PowerScore [#permalink] New post 24 Feb 2014, 18:20
ankur1901 wrote:
can someone please explain how is OA E?
Mag X survey says something which author does not agree to and is skeptical.
Other survey too denies the fact and infact gives new perspective of people - choice E.

Then in fact choice E also strengthen author's claim that Mag X survey is incorrect. Isnt it also a strengthener ?


The conclusion is 'there is reason to be skeptical about the conclusion drawn in the magazine’s survey'. The survey says that people are more concerned about personal finances than politics. So a strengthener would either reinstate what the survey results are or give reasons that survey is credible. Now the Choice E talks about social issues which is not related to the argument. So it would not strengthen the argument in any way.

Hope that helps!!!
Re: Statistician :PowerScore   [#permalink] 24 Feb 2014, 18:20
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