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# Median with X

Author Message
TAGS:
Manager
Status: Applying Now
Joined: 21 Nov 2009
Posts: 65
WE: Project Management (Manufacturing)
Followers: 3

Kudos [?]: 37 [0], given: 3

Median with X [#permalink]  19 Dec 2009, 07:26
00:00

Difficulty:

5% (low)

Question Stats:

100% (00:00) correct 0% (00:00) wrong based on 2 sessions
How to analyze this question ??

Attachment:

medianWithX.GIF [ 10.75 KiB | Viewed 654 times ]

[Reveal] Spoiler:
E

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Senior Manager
Joined: 30 Aug 2009
Posts: 293
Location: India
Concentration: General Management
Followers: 2

Kudos [?]: 77 [0], given: 5

Re: Median with X [#permalink]  19 Dec 2009, 10:19
msunny wrote:
How to analyze this question ??

Attachment:
medianWithX.GIF

[Reveal] Spoiler:
E

stmnt 1 - minimum value which x can have is 7. so on arranging the numbers we have 1,3, x,8,12 where x can be b/w 3 and 8 if x=7 or x can be b/w 8 and 12 or after 12

if x = 7, avg of these numbers will be 6.2 and median is 7 so median is > avg . suff
if x= 11, avg of these numbers will be 7 and median is 8 so median is > avg. suff
if x= 100, avg of these numbers will be 24.8 and median is 8 so median is < avg. insuff

so stmnt1 is insuff

stmnt 2 - x is greater than median so x> 8 [ on arranging we get 1,3,8,x,12]

if x= 11, avg of these numbers will be 7 and median is 8 so median is > avg. suff
if x= 100, avg of these numbers will be 24.8 and median is 8 so median is < avg. insuff

so stmnt 2 is insuff

taking together we have x>8 but still insuff. hence E
Manager
Joined: 25 Aug 2009
Posts: 177
Location: Streamwood IL
Schools: Kellogg(Evening),Booth (Evening)
WE 1: 5 Years
Followers: 8

Kudos [?]: 94 [0], given: 3

Re: Median with X [#permalink]  19 Dec 2009, 12:04
Good question I got E as well.
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Rock On

Re: Median with X   [#permalink] 19 Dec 2009, 12:04
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