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# Since the mayor s publicity campaign for Greenville s bus

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Since the mayor s publicity campaign for Greenville s bus [#permalink]  28 Apr 2012, 21:50
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68% (02:06) correct 32% (01:33) wrong based on 1 sessions
Since the mayor’s publicity campaign for Greenville’s bus service began six months ago, morning automobile traffic into the midtown area of the city has decreased seven percent. During the same period, there has been an equivalent rise in the number of persons riding buses into the midtown area. Obviously, the mayor’s publicity campaign has convinced many people to leave their cars at home and ride the bus to work..

Which of the following, if true, casts the most serious doubt on the conclusion drawn above?

(A) Fares for all bus routes in Greenville have risen an average of five percent during the past six months.
(B) The mayor of Greenville rides the bus to City Hall in the city’s midtown area.
(C) Road reconstruction has greatly reduced the number of lanes available to commuters in major streets leading to the midtown area during the past six months.
(D) The number of buses entering the midtown area of Greenville during the morning hours is exactly the same now as it was one year ago.
(E) Surveys show that longtime bus riders are no more satisfied with the Greenville bus service than they were before the mayor’s publicity campaign began
[Reveal] Spoiler: OA

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Re: 9. Since the mayor’s publicity campaign for Greenville’s bus [#permalink]  29 Apr 2012, 00:38
I also went with C,
Number of buses not increasing does not mean that the number of passenger has not increased ...

anybody with another explanation
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Re: 9. Since the mayor’s publicity campaign for Greenville’s bus [#permalink]  29 Apr 2012, 01:52
+1 for C..

There is another cause for the decrease in traffic and increase in number of persons riding buses. It is Road reconstruction and not Mayor's publicity campaign.

D doesn't look like any reason to cast doubt on the conclusion.
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Re: 9. Since the mayor’s publicity campaign for Greenville’s bus [#permalink]  29 Apr 2012, 05:24
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Re: 9. Since the mayor’s publicity campaign for Greenville’s bus [#permalink]  08 May 2012, 23:07
boomtangboy wrote:
9. Since the mayor’s publicity campaign for Greenville’s bus service began six months ago, morning automobile traffic into the midtown area of the city has decreased seven percent. During the same period, there has been an equivalent rise in the number of persons riding buses into the midtown area. Obviously, the mayor’s publicity campaign has convinced many people to leave their cars at home and ride the bus to work..
Which of the following, if true, casts the most serious doubt on the conclusion drawn above?
(A) Fares for all bus routes in Greenville have risen an average of five percent during the past six months.
(B) The mayor of Greenville rides the bus to City Hall in the city’s midtown area.
(C) Road reconstruction has greatly reduced the number of lanes available to commuters in major streets leading to the midtown area during the past six months.
(D) The number of buses entering the midtown area of Greenville during the morning hours is exactly the same now as it was one year ago.
(E) Surveys show that longtime bus riders are no more satisfied with the Greenville bus service than they were before the mayor’s publicity campaign began

+1 for C.
Reason--> We have to find the alternative reason so as to why people have started using buses. Was that as a result of Mayor's campaign or was there any other reason due to which people have started using the buses.
Thus C gives the appropriate reason that it was due to the reduced number of lanes available to commuters in major streets leading to the midtown area during the past six months.
Re: 9. Since the mayor’s publicity campaign for Greenville’s bus   [#permalink] 08 May 2012, 23:07
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