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23 Feb 2011, 11:44
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
(N/A)
Question Stats:
54% (00:46) correct
46%
(01:40)
wrong
based on 13
sessions
History
Date
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Not Attempted Yet
Seller’s commercial: “Aviator Magazine reported that our Deathtrap 3000 airplane has the fewest injuries per accident of airplanes in its class. This clearly proves that our Deathtrap 3000 is one of the safest airplanes around.”
Which of the following, if true, most seriously weakens the argument in the advertisement?
A) According to this Aviator Magazine report, a number of airplanes in other classes had more injuries per accident than the Deathtrap 3000.
B)In the last two years, the Deathtrap 3000 was the best-selling airplane in its class.
C)Aircraft of the class to which the Deathtrap 3000 belongs have a greater probability of being involved in accidents than do other types of airplanes.
D)The difference in the number of injuries per accident for the Deathtrap 3000, compared to other airplanes in its class, is significant.
E)Aviator Magazine’s report is published only once annually.
Will post OA after some time
Source : Grockit
Which of the following, if true, most seriously weakens the argument in the advertisement?
A) According to this Aviator Magazine report, a number of airplanes in other classes had more injuries per accident than the Deathtrap 3000.
B)In the last two years, the Deathtrap 3000 was the best-selling airplane in its class.
C)Aircraft of the class to which the Deathtrap 3000 belongs have a greater probability of being involved in accidents than do other types of airplanes.
D)The difference in the number of injuries per accident for the Deathtrap 3000, compared to other airplanes in its class, is significant.
E)Aviator Magazine’s report is published only once annually.
Will post OA after some time
Source : Grockit
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23 Feb 2011, 11:48
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Argument assumes that because D3000 is safest in its class, it is one of the safest kinds of planes in general. Well what if its class is highly dangerous to begin with? C is the clear winner.
23 Feb 2011, 11:58
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C clearly weakens it the most. A, B and E have no relation to conclusion. D just tells that difference is significant but doest tell anything about the nature of that difference - it can be significantly higher or significantly lower - C directly hurts the conclusion by suggesting that the class itself is highly dangerous.
