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Could someone help me with this GMAPPrep median problem

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smodak
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Could someone help me with this GMAPPrep median problem [#permalink] New post   Updated on: 22 Jul 2011, 10:10
00:00
A
B
C
D
E

Difficulty:

35% (medium)

Question Stats:

89% (00:58) correct 11% (00:35) wrong based on 18 sessions
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Thanks.



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Official Answer
C

Originally posted by smodak on 22 Jul 2011, 09:46.
Last edited by smodak on 22 Jul 2011, 10:10, edited 1 time in total.
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   22 Jul 2011, 09:48
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   22 Jul 2011, 10:13
386390 wrote:
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I reattached. I actually solved the problem. I was arranging the numbers as -1, -2, -5, 5, 10, 15 and calculating the median as 0 - too much anxiety I guess :lol:
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manishgeorge
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   22 Jul 2011, 17:22
Answer is 2 ... you got your order wrong. Anxiety :)
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   24 Jul 2011, 08:42
-5,-2 -1,5,10 ,15. 5+(-1)/2=4/2=2.
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   06 Aug 2011, 13:56
Answer is 5. The question asks for median, not mean.
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   11 Aug 2011, 03:30
bschool2014 wrote:
Answer is 5. The question asks for median, not mean.


Answer is C. = 2 degrees

1) Order the numbers as you would in a timeline, least to greatest
2) Choose the number in the middle which is your median

-5, -2, -1, 5, 10, 15

since you have an even amount of numbers you are going to have 2 middle numbers: -1 and 5. This is where you take their average. -1 + 5 = 4/2 = 2

2 is your median.
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   21 Aug 2011, 14:36
ordered temperatures are

-5 -2 -1 5 10 15

median of a ordered set with even number of elements = sum of middle two terms/2 = (-1+5)/2 = 2
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   23 Aug 2011, 15:53
-5 -2 -1 5 10 15
Median = -1,5 5-1=4/2=2
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   10 Sep 2016, 10:40
bschool2014 wrote:
Answer is 5. The question asks for median, not mean.



That is completely incorrect you are going to confuse people... sorry!
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Re: Could someone help me with this GMAPPrep median problem [#permalink] New post   10 Sep 2016, 10:51
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IsabelleTreuille wrote:
bschool2014 wrote:
Answer is 5. The question asks for median, not mean.



That is completely incorrect you are going to confuse people... sorry!


What's the worth of replying this person after 5 years? :-D



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