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A list of measurements in increasing order is 4,5,6,8, 10

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Manager
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A list of measurements in increasing order is 4,5,6,8, 10 [#permalink]

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New post 22 May 2006, 07:32
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A list of measurements in increasing order is 4,5,6,8, 10 and x. If median is 6/7 times the mean, what is x?

a. 16
b. 15
c. 14
d. 13
e. 12

Please show your work!

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Director
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New post 22 May 2006, 07:39
Since x is largest, median = 7
mean = (33+x)/6
median = 6/7(mean)

ie. 7=6/7 * (33+x)/6
Solving, we get x = 16

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New post 22 May 2006, 07:47
You know, you are totally right. I even typed out the question and seemingly missed the part about x having the highest value. Whoops...I think it's time for me to take a break.

Thanks!

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New post 22 May 2006, 07:54
Agree A it is.
Nice explanation Remgeo. :)

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New post 22 May 2006, 08:01
kuristar wrote:
You know, you are totally right. I even typed out the question and seemingly missed the part about x having the highest value. Whoops...I think it's time for me to take a break.

Thanks!


This happens to me all the time. Few minutes back, I posted a DS question as I was not able to figure out why. When I saw the soln. I thought.. ofcourse , how come I missed it !!

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Re: A list of measurements in increasing order is 4,5,6,8, 10 [#permalink]

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New post 19 Nov 2017, 06:22
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Re: A list of measurements in increasing order is 4,5,6,8, 10   [#permalink] 19 Nov 2017, 06:22
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