求助 OG - Diagnostic test - CR-30

sdcar2010 · 发表于 2011-1-28 09:48:35

the average age at death

Well, if all the samples are older than 65, the average age at death of the samples cannot be lower than 65, right?

On the other hand, in a very healthy neighborhood, all people are younger than 65 and every guy who is one day away from his or her 65th birthday dies of car accident, murder, or suicide. Then the average age at death of that neighborhood can never reach 65!

sdcar2010 · 发表于 2011-4-4 21:02:54

C,as compared to B,most seriously weakens the argument!!

-- by 会员 alannesta (2011/4/4 19:56:18)

. . ., MORE seriously weakens . . .

sdcar2010 · 发表于 2012-3-7 22:35:58

For those who chose A), pay attention to the phrase "In the Wistar region of Bellaria." So people live in W lives longer than people live in other areas of B.

Now A) says all people live in B has healthcare. Great. But that condition alone does not explain why ONLY people in W live a longer lives than other people who live in B. So A) has no bearing on the conclusion.

sdcar2010 · 发表于 2012-9-23 07:00:45

"Many people" does not mean "ALL people"!!!

Make sure you understand the English.

Many = 1-100, not 100 (All).

本贴相关题目 GMATPrep-2012-CR-17 (QSYU)

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求助 OG - Diagnostic test - CR-30

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