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# CR - weather forecast

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Senior Manager
Joined: 12 Mar 2007
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18 Mar 2007, 21:22
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Meteorologists say that if only they could design an accurate mathematical model of the atmosphere with all its complexities, they could forecast the weather with real precision. But this is an idle boast, immune to any evaluation, for any inadequate weather forecast would obviously be blamed on imperfections in the model.

12. Which of the following, if true, could best be used as a basis for arguing against the authorâ€™s position that the meteorologistsâ€™ claim cannot be evaluated?

(A) Certain unusual configurations of data can serve as the basis for precise weather forecasts even though the exact causal mechanisms are not understood.
(B) Most significant gains in the accuracy of the relevant mathematical models are accompanied by clear gains in the precision of weather forecasts.
(C) Mathematical models of the meteorological aftermath of such catastrophic events as volcanic eruptions are beginning to be constructed.
(D) Modern weather forecasts for as much as a full day ahead are broadly correct about 80 percent of the time.
(E) Meteorologists readily concede that the accurate mathematical model they are talking about is not now in their power to construct.
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18 Mar 2007, 23:01
B for me. whats the OA ?
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18 Mar 2007, 23:05
I think E ... what is the original answer
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18 Mar 2007, 23:11
B !
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"Education is what remains when one has forgotten everything he learned in school."

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19 Mar 2007, 13:57
The OA is B. What I don't get is... why?
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Re: CR - weather forecast [#permalink]

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19 Mar 2007, 16:34
I got A. If we can generate precise weather forcast from certain configurations, then we can solve the problem. Why is it incorrect?
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20 Mar 2007, 15:34
Wudy,

I believe what will help here is something that will help evaluate Mathematical models.

B mentions some corelation in precision in forecast and advances in mathematcal model; so thats why it sounds best answer (to me

For A... it does not help in anyway to argue for or against author's claim on ability to evaluate mathematical mode..

I struggle with CR..so not sure if I managed to confuse you further
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Re: CR - weather forecast [#permalink]

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01 Apr 2015, 22:25
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Re: CR - weather forecast   [#permalink] 01 Apr 2015, 22:25
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