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What is the median number of employees assigned per project

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Manager
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What is the median number of employees assigned per project [#permalink] New post 23 Nov 2007, 13:19
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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.
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Re: DS - Median Number of employees [#permalink] New post 23 Nov 2007, 14:52
gregspirited wrote:
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.


C. 40% of the projects have 3 people working. so the median numb er of emplyees assigned is 3.
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Re: DS - Median Number of employees [#permalink] New post 23 Nov 2007, 17:06
GMAT TIGER wrote:
gregspirited wrote:
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.


C. 40% of the projects have 3 people working. so the median numb er of emplyees assigned is 3.


Dint get this question at all.. when I first read it....but I see that the 40% have to be 3..since they have covered the other two range of numbers .....

35% <2>=4
so the 40% have to be = 3
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 [#permalink] New post 23 Nov 2007, 17:28
Agree with C

first 35% of the imployee are either 1 or 2

Last 25% of the employees are >4

while middle 40% of the employee are 3

here the median number is (50th % + 51st %)/2 = 3

Amar
  [#permalink] 23 Nov 2007, 17:28
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