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The average (arithmetic mean) of 50 measurements is 34.6, an

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Carcass
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The average (arithmetic mean) of 50 measurements is 34.6, an [#permalink] New post   23 Dec 2020, 05:42
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The average (arithmetic mean) of 50 measurements is 34.6, and the least and the greatest of the measurements are 18.3 and 50.9 respectively.

Quantity A
Quantity B
The median of the 50 measurements
34.6




A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

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Ashgre
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Re: The average (arithmetic mean) of 50 measurements is 34.6, an [#permalink] New post   23 Dec 2020, 22:12
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Carcass wrote:
The average (arithmetic mean) of 50 measurements is 34.6, and the least and the greatest of the measurements are 18.3 and 50.9 respectively.

Quantity A
Quantity B
The median of the 50 measurements
34.6




A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Kudos for the right answer and explanation


Option A: The middle two numbers can be 25 and 26, in this case median will be (25+26)/2 --> 51/2 = 25.5. This is lesser than quantity B.

The middle two numbers can be 34.6 and 34.6. In this case the median will be equal to quantity B.

Therefore the correct answer will be option D.
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gmatclubot
Re: The average (arithmetic mean) of 50 measurements is 34.6, an [#permalink]
23 Dec 2020, 22:12
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