Which of the following, if true, would most weaken the : GMAT Critical Reasoning (CR)
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# Which of the following, if true, would most weaken the

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Which of the following, if true, would most weaken the [#permalink]

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09 Aug 2010, 16:27
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8.Which of the following, if true, would most weaken the conclusion above?
A.The employees of Manufacturer R lost more time at work due to job-related accidents than did the employees of Manufacturer S.
B.Manufacturer S considered more types of accidents to be job-related than did Manufacturer R.
C.The employees of Manufacturer R were sick more often than were the employees of Manufacturer S.
D.The majority of job-related accidents at Manufacturer R involved a single machine.
E.Several employees of Manufacturer R each had more than one job-related accident.

Disagree with OA.

Source:http://www.informit.com/articles/article.aspx?p=433749&seqNum=7
[Reveal] Spoiler: OA

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09 Aug 2010, 22:30
Interesting question

Manufacturers R and S each have the same number of employees who work the same number of hours per week. According to records maintained by each manufacturer, the employees of Manufacturer R had more job-related accidents last month than did the employees of Manufacturer S. Therefore, employees of Manufacturer S are less likely to have job-related accidents than are employees of Manufacturer R.
# Which of the following, if true, would most weaken the conclusion above?
1. The employees of Manufacturer R lost more time at work due to job-related accidents than did the employees of Manufacturer S.
2. Manufacturer S considered more types of accidents to be job-related than did Manufacturer R.
3. The employees of Manufacturer R were sick more often than were the employees of Manufacturer S.
4. The majority of job-related accidents at Manufacturer R involved a single machine.
5. Several employees of Manufacturer R each had more than one job-related accident.

OA is correct. Option B directly attacks the counting technique used by manufacturer to arrive at the cited statistics.
Premise : the employees of Manufacturer R had more job-related accidents last month than did the employees of Manufacturer S

If the count was wrong - conclusion is jeopardized.
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10 Aug 2010, 10:04
If the counting technique of S casts a wider net for accidents to be considered job related and yet the number was lower than the job related accidents at R, then that fact according to me would strengthen the claim that S is less likely to have accidents than R. How can B be correct merely because it involves a counting technique?
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10 Aug 2010, 10:44
Yes that's a brilliant doubt. But if the data is garbled or overstated then any conclusion on that data is garbled, basically nothing can be inferred from the premise. And conclusion falls.
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14 Aug 2010, 04:06
nusmavrik wrote:
Yes that's a brilliant doubt. But if the data is garbled or overstated then any conclusion on that data is garbled, basically nothing can be inferred from the premise. And conclusion falls.

Men,

There is a misprint in B, shold be:
Manufacturer R considered more types of accidents to be job-related than did Manufacturer S.
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16 Aug 2010, 04:07
With Financier's correction I d go with B otherwise I have my doubts!!
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17 Aug 2010, 22:55
B
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17 Aug 2010, 23:05
Only with final correction, I will go for B too
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17 Aug 2010, 23:24
Answer Choice B only if it were -

'Manufacturer R considered more types of accidents to be job-related than did Manufacturer S'
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Re: Job-related injuries   [#permalink] 17 Aug 2010, 23:24
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