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The proportion of Afro-American students enrolled in Gilmore

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The proportion of Afro-American students enrolled in Gilmore [#permalink] New post 15 Jul 2008, 15:15
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The proportion of Afro-American students enrolled in Gilmore Community College has ‎increased over the past decades. This is partly shown by the fact that in 1965, only 6 ‎percent of Afro-American between twenty and twenty-three in the town of Gilmore ‎were enrolled in college, while in 1997, 13 percent of the Afro-Americans between ‎twenty and twenty-three were enrolled in Gilmore Community College. ‎

To evaluate the argument above, it would be most useful to compare 1965 and 1997 ‎with regard to which of the following characteristics?‎

‎ (A) The percentage of Afro-American students between twenty and twenty-three who ‎were not enrolled in Gilmore Community College

‎(B) The percentage of Afro-American students between twenty and twenty-thirty who ‎graduated from Gilmore Community College

‎(C) The percentage of Afro-American students who, after attending Gilmore ‎Community College, entered highly paid professions

‎(D) The non-Afro-American students between twenty and twenty-three who were ‎enrolled in Gilmore Community College

‎(E) The percentage of -Afro-American students who graduated from high school ‎
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 15:35
i think A makes most sense to me..it says there could be a possibility that Afro-american are getting more into college so mmaybe there is nothing speical abot gilmore college..
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 16:10
My pick is D.

Quote:
The proportion of Afro-American students enrolled in Gilmore Community College has ‎increased over the past decades. This is partly shown by the fact that in 1965, only 6 ‎percent of Afro-American between twenty and twenty-three in the town of Gilmore ‎were enrolled in college, while in 1997, 13 percent of the Afro-Americans between ‎twenty and twenty-three were enrolled in Gilmore Community College. ‎

To evaluate the argument above, it would be most useful to compare 1965 and 1997 ‎with regard to which of the following characteristics?‎


Could it be that the cited statistics is true but the proportion of Afro-American students enrolled in Gilmore Community College has NOT increased? Yes. Imagine the situation when % increase for non-Afro-American students who were enrolled in college was even greater – say, from 10% to 40%. In such a case, the proportion of Afro-American students might have even declined…

Quote:
(A) The percentage of Afro-American students between twenty and twenty-three who ‎were not enrolled in Gilmore Community College (does not eliminate this possibility)

‎(B) The percentage of Afro-American students between twenty and twenty-thirty who ‎graduated from Gilmore Community College (irrelevant)

‎(C) The percentage of Afro-American students who, after attending Gilmore ‎Community College, entered highly paid professions (irrelevant)

‎(D) The non-Afro-American students between twenty and twenty-three who were ‎enrolled in Gilmore Community College (This is it – just what we need!)

‎(E) The percentage of -Afro-American students who graduated from high school ‎(irrelecant)
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 16:15
i agree with D
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 16:27
Another D

Already well explained by "greenoak"
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 16:42
quangviet512 wrote:
The proportion of Afro-American students enrolled in Gilmore Community College has ‎increased over the past decades. This is partly shown by the fact that in 1965, only 6 ‎percent of Afro-American between twenty and twenty-three in the town of Gilmore ‎were enrolled in college, while in 1997, 13 percent of the Afro-Americans between ‎twenty and twenty-three were enrolled in Gilmore Community College. ‎

To evaluate the argument above, it would be most useful to compare 1965 and 1997 ‎with regard to which of the following characteristics?‎

‎ (A) The percentage of Afro-American students between twenty and twenty-three who ‎were not enrolled in Gilmore Community College

‎(B) The percentage of Afro-American students between twenty and twenty-thirty who ‎graduated from Gilmore Community College

‎(C) The percentage of Afro-American students who, after attending Gilmore ‎Community College, entered highly paid professions

‎(D) The non-Afro-American students between twenty and twenty-three who were ‎enrolled in Gilmore Community College Correct. Helps determine the proportion of Afro-American students that were enrolled

‎(E) The percentage of -Afro-American students who graduated from high school ‎


I'll go with (D)
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 22:24
Easy quest but caused some confusion as in case of Fresinha and myself.
OA is D.
many thanks for great explaination.
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Re: CR-Afro-Ame Students [#permalink] New post 15 Jul 2008, 22:39
i somehow concur with u and freshina - kind of prefer A! can someone tell my why A is so deadly wrong?
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Re: CR-Afro-Ame Students [#permalink] New post 16 Jul 2008, 03:20
Only D addresses the proportion problem in this question. We need to compare two population, Afro-American and Non-Afro_American to get a proportion.

In A, we do not care about the people who do not attent the schhol.
Re: CR-Afro-Ame Students   [#permalink] 16 Jul 2008, 03:20
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