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Studies have long shown

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akhpad
 Post subject: Studies have long shown
 Post Posted: Tue Oct 04, 2011 10:14 am 
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Students


Posts: 22
Studies have long shown that people who drive red cars receive more speeding tickets from the police than do those who drive cars of other colors. Researchers have thus concluded that the color of a car influences its driver’s behavior.

The argument depends upon which one of the following assumptions?

A: Drivers of black cars receive the second-most speeding tickets.
B: Red cars do not attract more attention from the police than do cars of other colors.
C: Police officers do not drive red cars.
D: Red cars do not receive any more parking tickets, on average, than do cars of other colors.
E: Drivers of red cars who are ticketed for speeding are able to appeal their tickets more often than drivers of other color cars.

OA: B
Conclusion: the color of a car influences its driver’s behavior.

B says that color is not the cause.

I confused even I saw your explanation.
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tim
 Post subject: Re: Studies have long shown
 Post Posted: Tue Nov 15, 2011 11:53 pm 
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ManhattanGMAT Staff


Posts: 2242
Location: Southwest Airlines, seat 21C
B does not eliminate color as a factor entirely; however, talking about color as a ”cause” is erroneous here regardless, because we are faced with the fact up front that color is correlated with more speeding tickets and are just looking for an explanation. B eliminates an alternate explanation of how the color could be correlated with higher numbers of speeding tickets, thus opening up greater potential for the possibility described in the argument to explain the correlation..

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Tim Sanders
Manhattan GMAT Instructor
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