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What is the median of the number of theater tickets sold in

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SVP
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What is the median of the number of theater tickets sold in [#permalink]

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05 Feb 2004, 23:24
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What is the median of the number of theater tickets sold in a day over the 7 days of the past week?

(1) On Monday, Tuesday, Wednesday, and Thursday of the previous week, the theater sold 75, 86, 46, and 86 tickets, respectively.

(2) On Friday, Saturday, and Sunday of the previous week, the theater sold 68, 86, and x tickets, where x >= 40
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06 Feb 2004, 04:39
E? becoz the value of x can be anything , we can get the median if we know the value of x.
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06 Feb 2004, 06:36
The set contains

{ Mon, Tue, Wed, Thu, Fri, Sat, Sun }

from condition 1 we know that the set contains
{ 75, 86, 46, 86, x, y, z }
Id does not matter what x, y and z are. The median of this set is 86

What is wrong with this approach ?
Director
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06 Feb 2004, 06:44
Agree with E

Maiden is the middle number in the set, After the set is rearranged
ascending or decending order.

X,Y and Z can be any numbers. Thus, it is not possible to find the maiden
with out knowing all numbers.
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06 Feb 2004, 06:48
Anandk, what if X,Y,Z are equal to 30 - 31 - 32 ?
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Best Regards,

Paul

SVP
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06 Feb 2004, 08:42
I thought the median is simply the middle number no matter what the other numbers are. If the set is odd the number is middle no. if the set is even then average of two middle numbers is the median.

Can you folks clarify this
SVP
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06 Feb 2004, 09:08
sorry folks. kpadma is right. Median is simply the middle number when the numbers are arranged in ascending order or descending order.

I got this wrong. I need to brushup my statistics.
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06 Feb 2004, 09:29
E

Median is always the Middle number when the numbers are re-arrenged from Least to Greatest.

If there are odd terms then it is an middle term otherwise it is the average of the 2 Middle terms
06 Feb 2004, 09:29
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