What is the median of numbers 4,5,6,7,9, and x? 1). X>7 : DS Archive
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What is the median of numbers 4,5,6,7,9, and x? 1). X>7

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What is the median of numbers 4,5,6,7,9, and x? 1). X>7 [#permalink]

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19 Sep 2008, 10:40
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What is the median of numbers 4,5,6,7,9, and x?
1). X>7
2). The mean of the six numbers is equal to the median.
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19 Sep 2008, 10:49
vivektripathi wrote:
What is the median of numbers 4,5,6,7,9, and x?
1). X>7
2). The mean of the six numbers is equal to the median.

If X>7, then Median is 6.5
If Mean and Median is same, then the median is 5.5.

So E.
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19 Sep 2008, 11:01
Richardson wrote:
vivektripathi wrote:
What is the median of numbers 4,5,6,7,9, and x?
1). X>7
2). The mean of the six numbers is equal to the median.

If X>7, then Median is 6.5
If Mean and Median is same, then the median is 5.5.

So E.

How come E......
stat 1 tells us if If X>7, then Median is 6.5 - Suff
Stat 2 tells us that The mean of the six numbers is equal to the median for which median would be either 5.5 for X=2 or 6.5 for X=8- Not suff
Ans should be A
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19 Sep 2008, 11:05
vivektripathi wrote:
Richardson wrote:
vivektripathi wrote:
What is the median of numbers 4,5,6,7,9, and x?
1). X>7
2). The mean of the six numbers is equal to the median.

If X>7, then Median is 6.5
If Mean and Median is same, then the median is 5.5.

So E.

How come E......
stat 1 tells us if If X>7, then Median is 6.5 - Suff
Stat 2 tells us that The mean of the six numbers is equal to the median for which median would be either 5.5 for X=2 or 6.5 for X=8- Not suff
Ans should be A

Oppsss. Is that right?
Yeah~~~. We can say the median is 6.5 from A only.
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19 Sep 2008, 13:00
got A for this one as well.

regardless of the value of x, after ordering the list from least to greatest, you see that the median is always 6.5
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19 Sep 2008, 15:06
vivektripathi wrote:
What is the median of numbers 4,5,6,7,9, and x?
1). X>7
2). The mean of the six numbers is equal to the median.

THE MEDIAN IS THE AVERAGE OF THE 2 MIDDLE VALUES
THEN THINK OF THE NUMBERS AS 2 SET ( 4,5,6) ( 7,X,9) OR (7,9,X) EITHER WAYS 6,7 ARE THE MIDDLE ONES..............SUFF

FROM2

WE CANT DEDUCE THE LOCATION ( ORDER OF X) .......INSUFF

Re: DS - Stat   [#permalink] 19 Sep 2008, 15:06
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