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Integrated Reasoning : Geographically typical territories

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Integrated Reasoning : Geographically typical territories [#permalink]

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New post 16 Sep 2017, 23:57
In the below question - why did we not need to calculate median values and simply taking the 3rd, 4th, 5th and 6th was deemed correct?

For instance, in case of the last category, the median is 67. And hence the closest 50% values to it should have New South Wales, Victoria, Western Australia and South Australia. Please guide me where I'm going wrong.

Thanks
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Re: Integrated Reasoning : Geographically typical territories [#permalink]

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New post 23 Sep 2017, 19:26
Hermione_Stark wrote:
In the below question - why did we not need to calculate median values and simply taking the 3rd, 4th, 5th and 6th was deemed correct?

For instance, in case of the last category, the median is 67. And hence the closest 50% values to it should have New South Wales, Victoria, Western Australia and South Australia. Please guide me where I'm going wrong.

Thanks



Since we have 8 data in each category and its median is the average of 4th and 5th data, 50% of data closest to the median value of each category are 3rd, 4th, 5th and 6th.
That's why we don't need to calculate exact values of medians.
It is enough to choose 4 data from the 3rd data after sorting.
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Re: Integrated Reasoning : Geographically typical territories   [#permalink] 23 Sep 2017, 19:26
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