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How many more first time jobless claims were filed in week P [#permalink]

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28 Apr 2010, 07:49

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E

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5% (low)

Question Stats:

90% (01:42) correct
10% (00:38) wrong based on 84 sessions

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How many more first time jobless claims were filed in week P than in week T ?

(1) For weeks P, Q, R and S the average (arithmetic mean) number of first time jobless claimed was 388,250 (2) For weeks Q, R, S and T, the average (arithmetic mean) number of first time jobless claimed was 383,000

Re: How many more first time jobless claims were filed in week P [#permalink]

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28 Apr 2010, 08:52

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We need the value of P-T ?

(1) for weeks P,Q,R and S the average ( arithmetic mean) number of first time jobless claimed was 388,250. This means that P+Q+R+S = 4 * 388,250 Clearly insuff.

(2) for weeks Q,R,S and T, the average ( arithmetic mean) number of first time jobless claimed was 383,000 This means that Q+R+S+T = 4 * 383,000 Again clearly insuff.

Together substract 2 from 1. We get P+Q+R+S - (Q+R+S+T) = 4 (388250 - 383000) we get P - Q = 4 * (388250 - 383000)

Re: How many more first time jobless claims were filed in week P [#permalink]

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04 Aug 2014, 07:39

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Re: How many more first time jobless claims were filed in week P [#permalink]

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30 Jan 2016, 19:16

Hello from the GMAT Club BumpBot!

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).

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Re: How many more first time jobless claims were filed in week P [#permalink]

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16 Aug 2016, 03:34

Hi all,

Im not sure if Im getting the true logic of this question. The question asks to find the the individual difference between P and T. And from two statements, we are given the sum for weeks P,Q,R and S AND weeks Q,R,S and T. If we minus these two, what we get is the overall difference between the two categories as ( P,Q,R and S) and (Q,R,S and T). This should not be sufficient to give a definite answer since lets assume that P is 1 and the other categories make up to the rest of the sum and T is 3 and the other categories make up to the of that set. In that case we will have P<T. However if we assume the reverse, the result changes. Hence, I think the answer should be E.

What am I missing?

I appreciate your help!

Regards, HK

gmatclubot

Re: How many more first time jobless claims were filed in week P
[#permalink]
16 Aug 2016, 03:34

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