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# What is the median number of employees assigned per project

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VP
Joined: 26 Apr 2004
Posts: 1225
Location: Taiwan
Followers: 2

Kudos [?]: 198 [0], given: 0

What is the median number of employees assigned per project [#permalink]  22 Aug 2004, 02:19
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
What is the median number of employees assigned per project for the projects at Company Z?

(1) 25 percent of the projects at Company Z have 4 or more employees assigned to each project.

(2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.

Senior Manager
Joined: 19 May 2004
Posts: 291
Followers: 1

Kudos [?]: 9 [0], given: 0

Is it C ?

From the second statement we can infer that the minimum number of projects is 20.
If 7 of them has two or less employees, and 5 of them has 4 or more,
then 8 of them must have exactly 3 employees.
This means the median will be 3.
VP
Joined: 26 Apr 2004
Posts: 1225
Location: Taiwan
Followers: 2

Kudos [?]: 198 [0], given: 0

Dookie wrote:
Is it C ?

From the second statement we can infer that the minimum number of projects is 20. If 7 of them has two or less employees, and 5 of them has 4 or more,
then 8 of them must have exactly 3 employees.
This means the median will be 3.

Hello, Dookie

How to infer the minimum number is 20? Could you explain more?

thanks.
Manager
Joined: 02 Apr 2004
Posts: 224
Location: Utrecht
Followers: 1

Kudos [?]: 14 [0], given: 0

I am not sure if the correct answer is C.

25% is >= than 4 members
35% is >= than 2 members

But what about the rest assuming to be 40%.
It could be that 40% is between 2 and 4 members inclusive, which cannot garantuee that 3 is the median.

I would say E for this one.

Correct me if I am wrong.

P.S. I cannot figure out how come the minimum of projects is 20. Could you please explain, Dookie?

Regards,

Alex
Senior Manager
Joined: 19 May 2004
Posts: 291
Followers: 1

Kudos [?]: 9 [0], given: 0

I was assuming that the number of projects has to be a whole number.

35% = 35/100 = 7/20
So the smallest number of projects has to be 20.

I'm still waiting for the Official Answer on this one.
Nice question.
VP
Joined: 26 Apr 2004
Posts: 1225
Location: Taiwan
Followers: 2

Kudos [?]: 198 [0], given: 0

Hello everyone,

the OA is (C)

Does anyone figure out?

thank you.
Director
Joined: 05 May 2004
Posts: 577
Location: San Jose, CA
Followers: 2

Kudos [?]: 36 [0], given: 0

Got C ..

25 have 4+project
50 have 3 project
35 have 2- project
-----
100
-----
If you take the median the ans will always be 3
CIO
Joined: 09 Mar 2003
Posts: 463
Followers: 2

Kudos [?]: 35 [0], given: 0

i'm at C, too. same reason as everyone else.
SVP
Joined: 16 Oct 2003
Posts: 1813
Followers: 4

Kudos [?]: 56 [0], given: 0

with GMAT point of view how genuine is this question. I got E. Srijays reasoning seems ok like -2--4+ so 3 it is. Do you all think that there is no room for assumtion for the remaining 40 person. I don't think that the data can be interpreted well.
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