Meteorologists say that if only they could design : GMAT Critical Reasoning (CR)
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# Meteorologists say that if only they could design

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Joined: 05 Feb 2004
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Meteorologists say that if only they could design [#permalink]

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04 Jun 2004, 12:40
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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.

Which of the following, if true, could best be used as a basis for arguing
against the author's position that the meteorologists' 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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05 Jun 2004, 14:39
B it is.

Author gives an alternate explanation as to how meteorologists' claims cannot be evaluated. Author says that any forecast inaccuracy can be blamed on the model's inaccuracy.

B says that the claims can actually be evaluated because most significant gains in the accuracy of the relevant mathematical models are accompanied by clear gains in the precision of weather forecasts.
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Paul

05 Jun 2004, 14:39
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# Meteorologists say that if only they could design

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