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23 Jul 2010, 23:12
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I found this tip regarding Statistics from MGMAT.
Adding a number lower than a set’s median either decreases or does not change the median; adding a number higher than the set’s median either increases or does not change the median. (Adding a number equal to the median will not change the median.)
But i could not replicate it with any example..
Is this really Valid,if so can you give some examples please..
Thanks
Adding a number lower than a set’s median either decreases or does not change the median; adding a number higher than the set’s median either increases or does not change the median. (Adding a number equal to the median will not change the median.)
But i could not replicate it with any example..
Is this really Valid,if so can you give some examples please..
Thanks
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
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24 Jul 2010, 00:39
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Hi,
Below are examples:
-5 -1 1 2 3 4 7 median is 2 adding a number lower than 2 (for example 0)
-5 -1 0 1 2 3 4 7 median is (1+2)/2 = 1.5
Thus adding a number lower than the median decreased the median in this case
-5 -1 1 2 2 3 4 7 median is 2 adding a number lower than 2 (for example 0)
-5 -1 0 1 2 2 3 4 7 median is 2
Thus adding a number lower than the median didn't alter the median in this case
-5 -1 1 2 3 4 7 median is 2 adding a number greater than 2 (for example 5)
-5 -1 1 2 3 4 5 7 median is (2+3)/2 = 2.5
Thus adding a number greater than the median increased the median in this case
-5 -1 1 2 2 3 4 7 median is 2 adding a number greater than 2 (for example 5)
-5 -1 1 2 2 3 4 5 7 median is 2
Thus adding a number greater than the median didn't alter the median in this case
Hope this is helpful to you.
regards,
Jack
Below are examples:
-5 -1 1 2 3 4 7 median is 2 adding a number lower than 2 (for example 0)
-5 -1 0 1 2 3 4 7 median is (1+2)/2 = 1.5
Thus adding a number lower than the median decreased the median in this case
-5 -1 1 2 2 3 4 7 median is 2 adding a number lower than 2 (for example 0)
-5 -1 0 1 2 2 3 4 7 median is 2
Thus adding a number lower than the median didn't alter the median in this case
-5 -1 1 2 3 4 7 median is 2 adding a number greater than 2 (for example 5)
-5 -1 1 2 3 4 5 7 median is (2+3)/2 = 2.5
Thus adding a number greater than the median increased the median in this case
-5 -1 1 2 2 3 4 7 median is 2 adding a number greater than 2 (for example 5)
-5 -1 1 2 2 3 4 5 7 median is 2
Thus adding a number greater than the median didn't alter the median in this case
Hope this is helpful to you.
regards,
Jack
24 Jul 2010, 02:04
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jakolik
Hi Jack,
Thanks, found what i missed..i checked with only distinct elements.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
